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Eobard was born in 2151 into the Thawne family, an affluent bloodline of politicians, scientists, and captains of industry, and is a descendant of Eddie Thawne. Eobard has stated that he is a distinguished member of his family, and that even his first name "Eobard" is distinguished. He also appears quite knowledgeable of his family's history even knowing of his ancestor Eddie despite history having virtually no record of Eddie's existence, though Eobard himself considers Eddie to be a failure of a Thawne. At some point in his life, Eobard became a science professor. Eobard implies that he met Rip Hunter, the designer of the first Time Sphere, at some point in his life, describing him as an "interesting man".
Eobard was a big fan of the Flash, a superhero from the 21st century, and became obsessed with him and desired to be the Flash himself. Eobard, after years of research at some point during the 2180s or 2190s, learned how the Flash gained his powers and duplicated the reaction that originally gave the Flash his powers of super speed, resulting in Eobard gaining super speed himself and the power of time travel. However, for reasons unclear, Eobard suffers the flaw of having a limited connection to the Speed Force and sometimes loses his speed altogether, although the reason why this happened is unknown. He also somehow obtained possession of Gideon, an artificial intelligence program created by The Flash. It's unknown where Eobard obtained Gideon but it's possible he acquired if from Rip, who utilizes a remarkably similar program on his ship.
After gaining the Speed Force, Eobard eventually traveled back in time to an unknown point presumably after the Flash was inactive where he somehow learn that he was destined to become the Flash's greatest enemy. Eobard became consumed with rage to know he would never be the Flash himself, and grew to despise the Flash with every fiber in his being, and deciding to embrace his destiny and become the reverse of everything the Flash was, giving himself the supervillain moniker of the "Reverse-Flash", and made it his life's work to kill the Flash. Eventually Eobard began searching various moments throughout history to find when Flash was active.
First Encounter with Flash
After learning to be the Flash's destined archenemy, Eobard traveled back in time and Gideon confirmed his whereabouts, prompting Eobard to search for the Flash. Eobard rigged an oil truck to drive at high speeds and collide with a building to lure Flash out, and was successful. Pleased to have located the exact time era Flash is active, Eobard planned his return home to properly plan his next attack and broke into one of Mercury Labs offsite facilities, and prepared equipment designed to act as a time machine to send him back to his own time. However Eobard was unable to replicate the Tachyon power source and sought out Dr. Tina McGee.
Storming Mercury Labs and killing 4 guards, he confronted Tina and told her she was coming with him, they were interrupted by Flash. However Reverse-Flash was surprised when Flash addressed him by his real name, revealing he'd already met him at some point in the future and that Flash had seen him die. Reverse-Flash however simply told Flash knew what time period Flash was from that he'd soon die and knocked Flash out before taking McGee. Eobard showed his device to Tina who revealed that Reverse-Flash tried to steal her device the previous year. Upon hearing this Eobard realized that he'd must have gotten stuck in the past at some point in his future, and was unable to access enough Speed Force energy. Eobard ordered Tina to accelerate the energetic properties within the tachyon device but she expressed doubts that she could until Eobard vibrated his hand and calmly told her to learn or die.
Original Timeline: After Tina finished her work, Eobard killed her anyway and used the tachyon device to return to his timeline. However Cisco used his powers to vibe this future event 3 hours before it occurred which gave Flash enough time to locate him.
Current Timeline: After Tina finished her work, Eobard prepared to kill her anyway but Flash arrived, subdued him and destroyed the machine. Eobard, unwavered by his nemesis's sabotage to his trip home, said he would find another way to travel to the future and boasted his superiority to Flash before issuing a challenge to catch him. Both Reverse-Flash and Flash began racing throughout the streets of Central City and though Reverse-Flash was physically faster, Flash managed to anticipate his path and intercepted him culminating with Flash catching Reverse-Flash. Flash proceeding to severely beat Reverse-Flash almost to death in a fit of rage for his future actions. Only reluctantly stopping himself from delivering a death blow, Flash instead knocked him out and Reverse-Flash placed him in his pipeline prison at S.T.A.R. Labs.
Eobard was visited by a young engineer named Cisco Ramon who Eobard deduced must have history with his older counterpart, but was confused as to why he wanted to know how his ring works. Cisco however told Eobard that he was the one that found him because of his powers, which Eobard gave to him which has lead to his capture. Cisco also reveals that Eobard helped him build the very prison he's incarcerated in, leaving Eobard puzzled and stunned to learn of his future actions. Eobard was later approached by Flash, unmasked but concealed in the shadows, asking why he despises him and Eobard explained his obsession with him and his desire to be The Flash himself and succeeded, only to travel through time and learn he would become his greatest enemy. Flash however was disgusted to learn why Eobard would murder his mother, because he couldn’t be him and Eobard angrily stated that he'd become better than Flash, became the one thing Flash could never stop and promises that one day he’ll learn his real name. Shortly after he was approached by a member (Earth-2 Harrison Wells) of Team Flash and Eobard realized that his imprisonment has ruptured the timeline. The man however stated he had an alternate method to send him home and Eobard became fascinated with his interrogator but refused to identify himself and stated he was no one of importance, though Eobard was unconvinced of his claim. Eobard was released from his cell and informed of Team Flash’s alternate method of sending him back to the future, to have both him and Flash run at high enough speeds to create a wormhole through which Eobard can return to his own time. As they prepared Eobard vowed they would meet again and Flash agreed but also vowed he would stop him every time he tries, and both Flash and Reverse-Flash speed around the ring of the particle accelerator. After gaining enough speed, the wormhole was created and Flash hurled Reverse-Flash through the portal and Reverse-Flash successfully returned to his own time.
War with the Flash
After this encounter the two speedsters would then fight each other for a long time in various different times, with neither of them managing to defeat the other, though Eobard was confident that he was always one step ahead of his enemy. At some point Eobard also discovered that his interrogator was Harrison Wells (though technically it was his Earth Two doppelgänger Eobard spoke to), the man whose particle accelerator supposedly created the Flash in the year 2020, though due to Eobard encountering him in 2016 it's possible that this is false information. It's also possible that the Wells that Eobard learned about was in fact the future version of Eobard himself who would masqueraded Wells in his own future. Eobard also had at least one encounter with a Time Wraith and like most speedsters came to fear them, trying his best to avoid them.
It's possible that he had an encounter with Hunter Zolomon/Zoom, who also falsely operated as The Flash on Earth Two, given that Eobard seemed to recognize his helmet years later (in the episode "Fast Enough"). It's also possible that it was Jay Garrick/The Flash, The Flash of Earth Three, that Eobard encountered at some point in time who stole Hunter's helmet to use as his own in a sense of karma to get back at Hunter for imprisoning him. However, Eobard might of merely simply viewed the fact that an object came through the wormhole as proof that it was ready.
Crisis in 2024
Around midnight at an unknown point in the year 2024 Reverse-Flash battled Flash, Green Arrow, Atom and Hawkgirl in the streets of Central City causing the most destruction the city had ever seen. The fight also somehow caused the sky to turn a deep crimson color. Their fight caused several trucks to start leaking their contents onto the streets, and caused power outages spread over 20 blocks throughout the city. Reverse-Flash and Flash then started battling over two overturned tanker trucks, and the lightning emitted from them caused the oil from one of them to ignite. While sounded by smoke both speedsters had a very heated conversation on an unknown matter, then the two sped off leaving Green Arrow, Atom and Hawkgirl behind. The two then continued their fight up and down an unknown avenue then vanished without a trace.
Murder of Nora Allen
Eobard eventually did learn Flash's real name of Barry Allen and decided the best way to defeat his enemy was to murder Barry as a child and traveled back in time to the night of March 18 in the year 2000, aiming to murder 11 year old Barry, but was pursued by his archenemy. The two fought inside the Allen house around Nora Allen, each landing solid hits on each other with Reverse-Flash gaining a slight upper hand. When the 11 year old Barry comes into the room, Nora is in the center of the room surrounded by streaks of yellow and red lightning and gets a brief glimpse of Reverse-Flash's face. Despite his efforts Flash manages to take his younger self 20 blocks away to safety and Reverse-Flash was enraged but quickly thought of another way to achieve his goal, kill Nora to traumatize Barry in the hopes that Barry wouldn't achieve his destiny.
Reverse-Flash grabs a kitchen knife and stabs Nora in the heart and flees the scene to return to his own time which he hopes will now be one without The Flash but he is stopped by his sudden loss of connection to the Speed Force. After Gideon confirms that his powers have been drained due to his latest time jump, he realizes that he is now stranded in the 21st Century with no way back to his time and screams in frustration.
Becoming Harrison Wells
Realizing he needed to harness Barry's speed to return to his own time Eobard begins devoting himself to ensuring Barry does indeed become the Flash, and traveled to Starling City to stalk Dr. Wells. One month after killing Nora, Eobard caused Wells' car to crash, killing Tess Morgan and injuring Harrison, then drags Dr. Wells out of the car and uses a device to absorb Wells's DNA and literally make himself look exactly like Wells, intending to use the scientist's reputation and his own futuristic knowledge to create the particle accelerator as quickly as possible. After Harrison dies in the process, he buries his body in a field near the bridge and takes his place in the car. When the police find him he addresses himself as Harrison Wells.
After taking Wells' identity, Eobard subsequently devoted his life to S.T.A.R. Labs' creation and its particle accelerator as quickly as possible, but took precautions to ensure his plan would work and kept close observation throughout Barry's whole life by setting up cameras all over Central City even in the West house where Barry lived following Nora's death. He also inherited Wells' mansion but for security reasons he never kept any personal belongings in his house. Eobard also came to like Big Belly Burger, even remarking it was one the few reasons to stay in the 21st century since cows are extinct in his time. After opening S.T.A.R. Labs, Eobard built a secret room accessible only via hand print where he kept his belongings including the Gideon program which was still able to stay informed of future events, including a news paper article written by Iris titled "Flash Missing: Vanishes In Crisis" dated in 2024, an event currently set to occur in the new timeline. Eobard also kept his Reverse-Flash suit on a display case, and also stored a second suit away in the room. He also observed his nemesis's life including science fairs and soccer games, looking upon Barry with nothing but hate but would eventually begin to grow genuinely fond of Barry (15 years later would claim he didn't hate present day Barry, he hated but his future counterpart from, at least what he considered, the original timeline). Despite his new found fondness, he still vowed that Barry would die. He also kept just as close observation of his ancestor Eddie Thawne and took whatever precautions were needed to ensure Eddie would continue the Thawne family bloodline, thus ensuring Eobard's existence. Through Harrison's previous connections Eobard also became associated with a younger version of Tina, though Tina always sensed something was different about "Harrison" after Tess' death. He also knew Simon Stagg who though famous for "his" scientific achievements, Eobard knew the greedy and corrupt philanthropist he really was. Eobard also once met Robert Queen at a charity event, one of their subjects of discussion was Robert's son Oliver. In his search for promising young minds to help with his work he became aware of Felicity Smoak and foresaw "great things" from her.
At some point Eobard hired Dr. Caitlin Snow, Ronnie Raymond and Hartley Rathaway, the latter of whom Eobard also grew close to and he became his protégé, to assist in the construction of the accelerator. It's possible he also hired them because of his future knowledge their achievements, later claiming that his actions have given them better lives than what they had. Eobard and Hartley often bonded through activities such as games of chess. He also adopted a pet gorilla named Grodd that he kept at S.T.A.R. Labs who he became close to and Grodd would view Eobard as a "father". In 2009, Eobard was approached by General Wade Eiling to work on a military project together to create soldiers with physic abilities and Eobard agreed, but Eiling begun using Grodd as a test subject and tortured the gorilla without Eobard's knowledge. When Eobard discovered this, he cancelled the project but still had "big plans" for Grodd. He also hired Arthur Light who developed a lethal high powered shockwave rifle, but around 2012 Eobard fired Arthur for apparent insanity.
In 2013, Eobard found Cisco's younger self and hired him acting on the knowledge of Cisco's future self and begun growing close to him also, much to Hartley's dismay, though Eobard still assured that Hartley was still "his guy". When Hartley realized the particle accelerator could fail and cause an explosion, Eobard was threatened so Eobard had Hartley fired and threatened to ruin Hartley's career if anyone was ever told. After Hartley's firing, Eobard grew closer to Cisco and came to view Cisco as a surrogate son. Eventually Eobard finished the accelerator but unlike the original accelerator Eobard built his version to also act as a time machine for Barry for him to travel back in time to undo Eobard's murder of Nora, thus giving Barry sufficient reasoning to help Eobard return to his time.
Explosion of the particle accelerator
On December 23, 2013, he held an event at which he planned to switch on S.T.A.R. Labs' particle accelerator, which he had created. He began speaking on stage, claiming that the particle accelerator would create a brighter future, bringing advancements in power and medicine, as well as physics as they knew it. Later that night, the particle accelerator was switched on. However, particles began to behave abnormally, such as liquids floating in the air, followed by a loud bang from the accelerator. Eobard sent Ronnie and Cisco down to manually shut the particle accelerator down before anything bad happened. After Ronnie had vented the system, assuring S.T.A.R. Labs' safety but sacrificing himself in the process, Cisco called Eobard down to the chamber. Eobard made his way down, but not before entering his secret room and watching Barry in his lab be struck by the lightning bolt as planned. In addition to Barry, Eobard also ensured that Cisco was affected by the particle accelerator ensuring that Cisco does indeed gain his powers as his future self told him. He also ensured that Grodd was affected by the accelerator and the dark matter combined with the drugs Eiling injected in him years earlier activated and mutated him into a hyper-intelligent gorilla and escaped his cage, though Eobard allowed him to roam free in the sewers where he continued to grow in intelligence and size.
After the explosion Eobard begun pretending to be paralyzed from the waist down not just to keep suspicion of his future activities as the Reverse-Flash away from himself, but also rigging it with a machine to feed him Speed Force via tachyons and make him faster than even Barry. After Barry was put in to a coma due to the lightning strike caused by the shock-wave, his condition eventually went critical, at which point Eobard convinced Joe West, Barry's foster father, to allow him to move Barry to S.T.A.R. Labs. However Joe was never fully trusting of Eobard and knew something wasn't right but was too desperate to see Barry awake that he ignored his feelings. While Barry was at S.T.A.R. Labs Eobard one day remarked how amusing it was to see how helpless he was, how easy it would be to just kill him. He also remarked the irony of him going back to kill him and now needing to ensure his existence to return to his own time, and though remarking how interesting it's been watching him grow up. However Eobard firmly stated that nothing is forgiven and that one day Barry will die. Due to S.T.A.R. Labs reputation being tarnished Eobard ordered their Starling City branch shut down and the supplies moved back to Central City. Eobard sent Caitlin and Cisco to inventory supplies where they unexpectedly encountered Deathstroke.
Working with The Flash
After Barry woke from his coma, Eobard was called down to the lab to talk to Barry. He took Barry around S.T.A.R. Labs, explaining what had actually happened on the night of the particle accelerator explosion and how they'd moved him. Before they could run more tests, Barry left. After having realized he had the ability to run super fast, Eobard and the team went to Ferris Air Testing Facility where they sought to test Barry's speed. Eobard cautioned restraint, though Barry instead ran at full pelt, accidentally running in to barrels of water. Back at S.T.A.R. Labs, Barry told Eobard of his belief that perhaps there were more powered humans like himself, perhaps even another with super speed, though he said he believed that Barry was most definitely unique. Following a later run-in with Clyde Mardon's weather manipulation, however, Barry returned, angry that Eobard had seemingly lied to him. The latter admitted fault, explaining that the explosion had released various forms of seemingly theoretical energy across the city, including anti-matter, dark energy and x-elements. Barry mentioned that he planned to stop Clyde, though Eobard attempted to stop Barry from taking the risk, as he was incredibly important in terms of scientific advancement. Despite Eobard's claims that Barry was not a hero, only simply a boy who was struck by lightning, he headed out to find Mardon anyway. As Barry struggled to unravel a tornado Clyde had made, Eobard intervened over the communication, apologizing, reassuring Barry that he did in fact believe in him, that he could undo Eobard's wrongs. Later Eobard went into his secret room and checked up on the future and was relieved to see the future was intact.
After having acted as a hero, Barry returned to S.T.A.R. Labs, where Eobard again cautioned restraint to Barry, telling him to make sure he knew his limits. Barry later tried to act the hero again, though he passed out. He was taken to S.T.A.R. Labs and despite being scolded, they decided to try some tests. Barry began running on a modified treadmill, causing him to eventually pass out. Eobard identified that it had to do with his glucose levels, due to an extremely fast metabolism processing it too fast. They hooked Barry up to 40 IV bags before he finally awoke. As they began discussing a new diet for Barry, Joe West entered the room; Eobard was surprised to see him. He reassured Joe that they were looking out for what was best for Barry, though Joe disagreed that what they were doing was the way to do it. Barry yelled at Joe, causing him to get upset and leave. A while later Barry returned to S.T.A.R. Labs, having been beaten up by another meta-human, who they identified by blood samples as Danton Black. Barry decided against trying to take him down, and despite Eobard's support, he was adamant that what they were doing was a mistake. Following that, Eobard went to talk to Joe. He claimed that next time Barry suited up, he would doubt himself. Eobard headed back to S.T.A.R. Labs, where Caitlin was able to grow a clone of Danton Black from a replicating cell, so they called Barry in and explained this. The clone promptly awakened, presumably due to the prime Black activating some clones, and Joe hurried in through the doors, shooting the clone and reassuring Barry that only he could stop meta-humans, being one himself. They talked to Barry when he reached Stagg Industries and Eobard noted that he had to find the prime one, the original Danton Black. Ultimately, Danton was knocked over an edge, but despite being caught by Barry, forced himself to drop, killing him. The team watched a news report of it on the TV afterwards. Following that, Eobard visited Simon Stagg. After Stagg claimed that he wanted to find and use "the streak," Eobard stood up from his wheelchair and stabbed the man, claiming that The Flash, as he would one day come to be known as, had to be kept safe.
After the Darbinyan crime family were gassed to death by a presumed meta-human, the S.T.A.R. Labs team began researching what they could, all of them excited by the potential prospects. Joe noted that they would have to find somewhere to hold them, as Iron Heights Prison was less than ideal, and Cisco suggested the particle accelerator. Cisco and Eobard went down to the particle accelerator's core chamber. Eobard had to go do some modifications while Cisco waited, and they soon went back up. Eobard realized it was hard for Cisco to be there. The two later assisted Barry when he went after a mist-controlling meta-human inside the Central City Shopping Mall. However, Barry discovered that the man could turn himself in to gas, and inhaled some of his toxic gasses, before racing back to S.T.A.R. Labs where the team painfully extracted the poisonous gas. The team was soon able to identify the makeup of the gas: hydrogen cyanide with traces of a sedative. Barry figured that the two would be mixed in a death row execution and they identified the meta-human as Kyle Nimbus, proudly nicknamed The Mist by Cisco. Barry went to protect Nimbus' next target, Joe, and the team supported him. Unable to outrun The Mist, they suggested he make him tired, as he would have to revert to his physical, human form eventually. Barry succeeded and Nimbus was taken back to S.T.A.R. Labs, where he was locked up in the particle accelerator prison.
Eobard defeated Barry in a game of chess while Barry also played a game of table tennis with Cisco and a game of Operation with Caitlin. When Felicity visited S.T.A.R. Labs, Eobard greeted her and was more than pleased to meet her, noting he's aware of all her accolades and that he always keeps an eye out for such talent. When Felicity questioned about the possible dangers of what Barry does, Eobard reassured her that everything they do is to ensure Barry's safety and that Barry is in good hands. Eobard was later furious at Cisco who built a weapon, a cold gun, powerful enough to kill Barry despite his speed without any consent, though Cisco built it prior to Barry waking from his coma which was stolen by master thief Leonard Snart/Captain Cold. Eobard ordered Cisco to track down where the cold gun is and to do so immediately after telling him weapons don't belong in S.T.A.R. Labs. After Felicity left, Eobard noted she was a remarkable young woman. Eobard told Cisco to never do anything as to build such a weapon again, though he was unaware of another similar weapon that Cisco had built which was also stolen.
After Barry failed to stop Tony Woodward, Eobard told Barry they'd find a way to stop him, but told Barry to rest and heal for the time being. A day later, Joe visited Eobard, asking for help on Nora Allen's murder case, ironically now knowing that man Joe was looking for was right in front of him. When Joe asked if his particle accelerator was possibly involved, Eobard reminded Joe that the murder occurred 14 years ago long before his accelerator was even thought of. After a few other suggestions from Joe, Eobard told him that they were all highly unlikely. After Barry tried to stop Tony alone, Eobard was furious as they had yet to find a way to stop him. When Barry told him that he could just heal, Eobard told Barry he can't heal if he was killed. Eobard then told Barry could stop Tony if he moved fast enough as any material can be struck at a high enough velocity. The following day, Eobard had a drink with Joe, where Joe suggested that he was involved as Eobard arrived in Central City shortly after Nora was murdered. Eobard told Joe to look up Tess Morgan before leaving. Joe visited Eobard at S.T.A.R. Labs, having looked up Tess, and apologized for accusing him for murder. Eobard then told Joe about "his" past and why he moved to Central City as there were too many painful memories to endure. Later that night as Joe was reviewing the evidence of Nora's murder, Reverse-Flash reappeared and encircled him to make him scared, briefly allowing his suited face to be seen and stole the evidence. Before leaving Reverse-Flash left a death threat towards Iris by pinning a photograph of her to the wall with a knife, and the words "stop or else" to scare Joe away.
In an entry in his personal log, Eobard noted that Barry was driven to use his powers to help people, and stated that this was keeping Barry from realizing his full potential. He later told Barry that he had to "kick it up a notch" in his training. When Farooq Gibran attacked S.T.A.R. Labs, Eobard released Tony, offering him his freedom in exchange for killing Farooq. Later, he had a brief argument with Barry about sacrificing Tony to stall Farooq, angrily insisting that he had merely done what was necessary. When Farooq cornered Team Flash, Eobard confronted him, reciting from memory the names of everyone who died in the particle accelerator disaster, and demanding that Farooq leave the others alone, saying that he was the only one who deserved to be punished. Farooq agreed and blasted Eobard out of his chair and while seemingly helpless to move, though in reality was faking it, Flash finally regained his speed and allowed Farooq to drain his speed once more but the amount of power overloaded Farooq and killed him. After Flash defeated Farooq, Eobard made another log entry, stating that he had previously been mistaken and that Barry's desire to help others was the key to developing the Flash's potential, not an obstacle as he had thought. He then took a blood sample from Blackout's corpse, whilst signalling Mist to stay quiet, saying that he was interested in finding out how the latter had drained the Flash's powers.
After Rainbow Raider robbed a bank by forcing everyone inside to go angry and attempt to murder each other, Eobard aided the team in figuring out how he did. However they were distracted by the appearance of Starling City's The Arrow who both Eobard and Joe distrusted, due to his previous body count and Dark Archer and Deathstroke's terrorist attacks since he became active. Barry however defend Arrow saying he was a hero and insisted they were wrong but they told Barry to see that Arrow is out of Central City by tonight. However Barry ignored them and when Felicity visited he asked her to make him trust Arrow more, and asked for his name but Felicity refused but Eobard insisted he'll igure it out on his own. Presumably because of his future knowledge Eobard was already aware of Arrow's true identity. Later when Barry suffered the effects of Rainbow Raiders' powers he went crazy and tried to murder Eddie, and Eobard insisted Felicity call Oliver Queen, The Arrow, for help deliberately revealing his identity to Team Flash. Preparing a device to make Barry regain his senses by correcting his emotions via the colors of the emotional spectrum, Eobard and Joe arrived just as Flash and Arrow fought and used the device to restore Barry's stability. After capturing Bivolo Oliver addressed Team Flash and noted the importance of keeping his identity. Eobard also thanked Oliver for his help but as Oliver left, he felt that something was off about Eobard.
As a thank you for helping him Barry gave Eobard, Cisco and Caitlin a Christmas present each, but Eobard declined Barry's offer of eggnog. A few hours later Reverse-Flash stormed Mercury Labs looking for a tachyon prototype device, killing the guards but was unable to reach the device due to the doctor sealing it away and he stormed off. Eobard "helped" Joe and Barry track down "Reverse-Flash" by building a trap for "him" as Joe and Barry secured the bait. Later Reverse-Flash spied on Barry as he talked to Iris then when Barry noticed him he ran after him, demanding to know why he killed his mother, but Reverse-Flash instead challenged him to a fight in a stadium. Reverse-Flash proved to be the better speedster but told Barry already knew his identity, that they'd fought for a long time with Barry always losing. He also told Barry it would be his destiny to die at his hands, as it was his mother's. Later S.T.A.R. Labs orchestrated the trap using the tachyon prototype and lured the Reverse-Flash in. A holographic recording, seemingly actually real to almost everyone, played of the Reverse-Flash, who only answered to Eobard. As the force-field appeared to fail, Eobard rushed into the force-field so fast that no one had time to think and were all frozen, making it look like the Reverse-Flash pulled him into the field. In the field, Eobard created a lifelike speed mirage of himself then suiting up as Reverse-Flash in the place of his hologram and repeatedly punched his after image, making it appear to everyone else that Reverse-Flash was trying to kill "Wells". After the field disappeared, Reverse-Flash grabs the device and takes it to his secret room then reappears in the basement, and while still bouncing back and forth to maintain the speed-mirage of Eobard, Reverse-Flash kills Eddie's task-force in seconds without any effort but hesitates when he approaches Eddie, shoving him to the side rather than killing him (since this would cause Eobard to be erased from existence), and attacks Joe. Reverse-Flash reminds Joe he was warned but before he can kill him Flash intercepts him and drags him outside. However, Reverse-Flash again proved superior to Flash, but he was timely saved by a seemingly still-alive Ronnie Raymond. The Reverse-Flash vowed their fight wasn't over and ran off. Arriving back in time to take the place of his speed mirage Eobard was tended to by Caitlin and Cisco profusely apologies for the force-field failing. Though Eobard assured Cisco it wasn't his fault he expressed annoyance towards them for not informing him of Ronnie's survival, but assures Caitlin that they will find Ronnie and bring him home. Later Eobard place the tachyon prototype on his Reverse-Flash suit and while watching it harness it's power, says "Merry Christmas" with his distorted voice as his wounds healed.
Eobard, Cisco, and Caitlin continued to train Barry to improve his speed using a drone to fire at him. After Cisco called the man in yellow "The Reverse-Flash", Eobard approved of the name, unlike Caitlin. After Snart returned, Barry decided to pursue Snart, though Eobard warned Barry The Reverse-Flash is a greater threat. Due to Snart's threat, Eobard and Cisco presented the CCPD with a shield that could withstand Snart's cold gun. During Barry's battle with Leonard Snart and Mick Rory, Eobard realized the best way to let Snart's and Mick's guns cross streams is to move slower.
Eobard guided Barry to detour the Royal Flush Gang. After a suggestion from Cisco, Barry, Cisco, Caitlin, and Eobard all took a group picture together. Later that night, Eobard went to his mansion and got off his wheelchair. He received a phone call and was attacked by Hartley Rathaway. After Barry, Cisco, and Caitlin arrived, Eobard told them he won't require their help with the case. Barry realized it couldn't have been a teenage prank and Eobard told Barry he knew who it was.
Original Timeline: After Barry stopped Hartley from attacking his families' company, Hartley told Barry he knew of Eobard's secret. After Hartley was locked up in the meta-human prison, Eobard asked how Hartley figured out that The Flash worked with them and Eobard was told he figured out through triangulation. Eobard returned to his team and admitted he knew there was a chance of the explosion. After Hartley escaped the prison, Eobard ran out of his Time Vault but collapsed to the ground after losing his speed. Hartley approached Eobard and asked the latter if he was still "his guy". Eobard later decided to regain his team's trust by publicly admitting he was aware of the chance of the particle accelerator exploding. He was then asked by Mason Bridge if he had any plans in the future of turning the particle accelerator on. After Hartley attacked the Keystone Cleveland Dam, Barry went to stop Hartley. Barry was quickly stopped with sound waves though Eobard transmitted waves through the cars at the damn, stopping Hartley. Eobard then told he wished to one day regain the trust of the team but Barry told him he already had. Later, Eobard returned to his Time Vault, reporting to Gideon that his speed comes and goes. Gideon reported that it is unsure how longer the Tachyon device is viable and Eobard told Gideon that it was only meant to be a temporary fix and the real end game was coming.
Current Timeline: When Hartley attacked his families' company, The Flash stopped him. However, during the fight, the communication system in Barry's suit started to malfunction, leaving Eobard confused about what was happening but everything went well when The Flash defeated him. After Hartley was locked up in the meta-human prison, Barry deduced that Hartley had EMP weapons rigged to his hearing aids which surprised Eobard when Cisco discovered he was right. Barry approached Eobard later and presented a new equation to getting faster, but Eobard was surprised to see that Barry had devised such a complex equation with his knowledge in such a short time. When Barry returned after facing a threat in the C.C.P.D he told the team of the creature that attacked, dubbed by Cisco as a “Dementor”, from the Harry Potter books, but when Barry said he saw it whilst running to stop Hartley, Eobard realized the answers to his confusion. The Barry with them, at that current time, is from the future and the “dementor” is a Time Wraith who’d followed him back. Eobard invited Barry into his quarters to discuss the equation but when Barry had his back turned, Eobard stood up and knocked him out.
Eobard took Barry, handcuffed, into the Time Vault and interrogated Barry but he played dumb and still addressed him as “Dr. Wells”, but Eobard sped in front of him and saw Barry didn’t even flinch. Barry then attempts to phase out of his cuffs but fails, further identifying himself as a future Barry, as Eobard had yet to teach his Barry how to phase. Finally Barry said “Let me out of here Thawne” and Eobard’s theory was confirmed and Barry told Eobard he was there to get faster, and needed him to teach him. However Eobard quickly realized that if Barry is alive in the future then his plan fails and tried to kill Barry but Barry quickly claimed that Eobard did win, that he tricked him into using his speed to get back to his time. Unfortunately a singularity had formed when he got back and that is why he is there, to get faster in order to stop it but needs Eobard's help. Furthermore Barry claimed that he’d left a letter for his younger self if something happens to him, detailing Eobard's true name and impersonation of Wells, how Eobard’s plan works, and how to stop him. Eobard reluctantly listened to Barry.
At the same time the Time Wraith found it’s way to S.T.A.R. Labs and attacked Cisco, Caitlin and Hartley but they were able to fend it off, but when Cisco and Caitlin left Barry asked Eobard how to kill a Wraith but Eobard revealed there is no known way to kill them hence why speedsters try to avoid them. As Barry searched the police department for any clues Eobard searched S.T.A.R. Labs, but Cisco and Caitlin were unable to replicate the frequency Hartley used to stop the Wraith. As they debated how to stop the Wraith the present day Barry showed up just as the future Barry returned, but future Barry accidentally begun to reveal future knowledge trying to convince the team he’s from the future. To shut him up Eobard played dumb and pretended that he’d just met the future Barry, and told the team to prepare the accelerator, telling future Barry to travel through time to outrun the Wraith, while they build a sonic weapon to stop the Wraith for good when it returns in future Barry’s time along. Before sending future Barry back to his time Eobard gave him a drive with information on increasing his speed via tachyon enhancement, and future Barry successfully made it back to his time with the information he came for.
After Shawna Baez broke Clay Parker out of Iron Heights, Joe deduced Clay was a meta-human, however, Eobard corrected Joe, stating there was a woman's DNA matched with Clay's. Using the DNA, they learn the DNA belonged to Shawna. After learning Shawna's powers, Eobard told Barry they should focus on learning Shawna's limits. The following day, Eobard learned from Cisco that the latter let Hartley out of the meta-human prison, much to his disappointment. Later, Eobard learned Shawna can't teleport in dark space, as she can only teleport to what she can see. When Barry went after Shawna, he reminded Barry that she can't teleport if she couldn't see, leading to Barry busting out all the lights in the tunnel.
After Firestorm (Martin Stein) attacked Quentin Quale, Eobard told the team letting Ronnie roam free was no longer an option. Eobard deduced the reason why Stein was in control of Ronnie's body was due to simple Darwinism. Eobard and Caitlin decide to have a stakeout outside of Professor Stein's home assuming Martin would be nearby to watch over his wife. While waiting for Martin Stein, Eobard swore to Caitlin his work won't be finished until he brings Stein and Ronnie back to normal. Shortly after, Firestorm came by and the two quickly contacted Barry. While Barry and Firestorm battled, the two followed, though accidentally hit Barry as the latter fell. After learning Martin claimed he could be separated, Eobard said it was possible, but only theoretically as splitting a human and an atom were different concepts. Eobard learned that Ronnie's body was rejecting Martin Stein, causing an exothermic reaction and a possible nuclear explosion. Due to them only have hours before Ronnie's body detonates, Eobard suggested they may have to kill Ronnie. While the team were outraged of the concept, Eobard told them if Ronnie and Martin Stein knew the consequences, they'd likely sacrifice themselves. In his time vault, Eobard pulled a hand gun and Gideon told him it was a crude weapon. Eobard then decided to make a quantum splicer using the tachyon device, though Eobard was told it would delay his timeline. Eobard told Gideon there would be no timeline if Central City was blown up. Cisco and Eobard built the tachyon device and gave it to Barry and Caitlin to take to Firestorm. After the splicer was placed on Firestorm, Eobard told the two to get away from Firestorm.
Eobard greeted Ronnie as he returned, thanking him for sacrificing himself to protect those around him. Eobard then did medical work on Martin Stein, checking if he still had the ability to harness nuclear energy. Eobard learned he was unable to and reported this to the team. After Wade Eiling attacked Ronnie, he payed a visit to the former. Eiling asked Eobard to surrender Firestorm, though Eobard refused. Later, Eobard spiked Martin's drink before conversing with him. After Professor Stein passed out, Eobard contacted Eiling, who took him away. Eobard claimed to the team he was left helpless when Eiling came by to take Martin. When Barry said he would go after Eiling, Eobard reminded Barry what Eiling could do to him. In search for Martin, the team used Ronnie as he was still connected with Stein and Eobard convinced them both to use the quantum splicer to merge against, but this time accept the balance they successfully became a more stable Firestorm. To silence Eiling, Reverse-Flash abducted him from his office and took him Grodd's home in the sewers, and revealed himself to Eiling. Upon unmasking Eobard told Eiling that he protected his own and watched as Grodd took Eiling away.
Eobard and Cisco passed the time at S.T.A.R. Labs watching a Buster Keaton movie though Cisco was shocked that he'd never seen it before, and Eobard sarcastically remarked "must have been before my time" and approved Cisco's request to make a list of movies to see. However Eobard also reminded Cisco of his brother Dante's birthday party but Cisco said he'd decided the best thing was to not go at all, and remarked how things had been much better since he stopped seeing them. Though Eobard was saddened to learn Cisco was still on bad terms with his family they were distracted by an alert of a break in at the Central City Morgue, though Eobard was confused as to why anyone would rob a morgue.
Original Timeline: When Barry returned he told them all that Mark Mardon was the killer and was on a vendetta to avenge Clyde and Eobard deduced Mark was affected by the particle accelerator the same way Clyde was. Eobard was later told by Barry the former saw himself while running toward the morgue. Eobard told it could've been a speed mirage or an illusion. Eobard then told he would further investigate it after Mark is taken in, though Eobard seemed to be aware tht Barry saw a future version of himself. A couple days later, Caitlin took Eobard to Jitters for a coffee, while Cisco investigated how the Reverse-Flash escaped. When Caitlin insisted they enjoy their drinks at Jitters Eobard, reluctantly agreed, but a while realized that CAitlin was trying to keep him distracted and away from S.T.A.R. Labs. Eobard suggested if they adjusted the S.T.A.R. Labs satellite, they could possibly pick up a storm, helping catch Mark. When Eobard told Caitlin they should go to S.T.A.R. Labs to alert Cisco, Caitlin turned around to get their coffee's in to go cups but Eobard now sure Caitlin was distracting him took off, leaving behind his chair and revealing the truth to Caitlin. When Cisco had just discovered a hologram was used the night they "trapped" the Reverse-Flash, Eobard revealed himself to Cisco and reveals his true name. Eobard revealed to Cisco the night Nora was murdered, he intended to kill a young Barry. Eobard then revealed that he only trained Barry as if he didn't he wouldn't be able to get the speed to return to his time. Eobard told Cisco nothing would stop him from returning to his home, though Cisco offered help. Eobard noted Cisco to be smart, but not smart enough to bring him back. Eobard told Cisco he showed him what it was like to have a son, before phasing his arm through Cisco's chest, killing him. However since Barry time traveled by accident and manipulated events this event never occurred.
Current Timeline: While running Barry stopped confusing Eobard and Cisco and reminded him to get to the morgue but he'd claimed to have been yesterday, confusing them both. When Barry returned he told them all that Mark Mardon was the killer and was on a vendetta to avenge Clyde and Eobard deduced Mark was affected by the particle accelerator the same way Clyde was. However Barry finished Eobard's sentence and correctly guessed almost every word Cisco and Caitlin were about to say to each other before they did, and with this Eobard realized that Barry had in fact time traveled. After learning he had traveled back one day Eobard stressed the importance of keeping history in tact which meant not telling him and tells Barry that he is to repeat the events of the day again and to not tell anyone or alter anything. Eobard checked in with Gideon but was assured the future remained in tact. Barry however, ignoring Eobard's advise, went after Mark anyway and captured him before he could commit his crimes. Eobard, angered that Barry had altered time, reminded him that whatever tragedies he'd averted time would somehow replace it and maybe even worse than before. Eobard had Barry run at his to speed on the treadmill in an attempt to re-create the conditions that allowed Barry to time travel in the first place, but even his highest speeds couldn't achieve it. After learning that Leonard Snart had returned with his sister Lisa Snart and kidnapped Cisco, Eobard begun trying to track him down but Barry begged Eobard to let him talk about the previous yesterday and Eobard reluctantly agreed. Barry states that Mark was about to destroy the city and Iris admitted to have feelings for Barry but now she doesn't and though Barry claimed that Iris still had them, Eobard reminded him they were buried deep in her consciousness and without Mark's actions they remained unrealized. Furthermore, that Barry's powers are dangerous could cause serious havoc upon the world, though Barry knew he would have the chance Eobard suggests maybe he shouldn't since more people could die if Nora lives. Cisco then came back to S.T.A.R. Labs, Snart having realized him but only if Cisco told Leonard who The Flash is or he'd have killed Dante and Cisco tearfully quits the team in shame. However Eobard talks to him and reminded him that choosing between loved ones is an impossible choice and regardless he is still family and Cisco stays. Later Reverse-Flash went to Central City Picture News where Mason Bridge was writing an article implicating Eobard (Harrison Wells) to the murder of Stagg and disappearance of Eiling, and attacked him. After learning from Mason that everything he knew about him was on his drive Reverse-Flash killed him, hid his body and fixed the office to cover his tracks. Reverse-Flash then looked at Mason's computer and noted that he really was onto him and destroyed all his evidence.
When a terrorist named The Trickster, named after the previous Trickster James Jesse, attacked the park by dropping bombs disguised as presents Eobard assisted the team in searching for a means to locate the new Trickster. However Eobard noticed Barry seemed cranky but Joe assured him that he was just having a bad morning. Later however when the Trickster made another broadcast Barry showed further signs of angst towards Eobard but he surmised it must be because of his previous visit to James Jesse in prison, bringing back memories of Nora's murder. When The Trickster uploaded a broadcast informing the public of a bomb in the city and left it's rough location Flash failed to find it, but Eobard realized it was a trick but Flash refused to listen to him much to everyone else confusion. Eobard was proven right as there was no bomb and it was a diversion so the Trickster, now identified as Axel Walker, could break James Jesse out of prison and take Henry hostage. When both Tricksters made their move to poison everyone at a fund raiser held by Mayor Bellows, Iris called Joe on his cellphone to clue him in and Eobard begun working on the antidote to the poison. However Barry had a bomb placed on him by Axel which would explode if he didn't run faster than 600 miles an hour or try to remove it, so Eobard taught Barry how to phase through a truck which separated him from the bomb and saved him. After succeeding in foiling The Trickster's plot Barry brought Henry to S.T.A.R. Labs to meet everyone where he thanked all of them for their efforts, especially Eobard.
Eobard helped Barry investigate the strange death of Lindsay Kang at the hands of numerous honey bees, but where interrupted when Felicity and her boyfriend Ray Palmer/The Atom arrived at S.T.A.R. Labs seeking help on Ray's suit. After the bees took a second victim, Bill Carlisle, one of the bees followed Barry back to S.T.A.R. Labs while Barry, Felicity and Ray were out to dinner with Iris and Eddie leaving only Caitlin, Cisco and Eobard to fend off the bees. When it came for him Eobard almost broke his cover to evade it but Barry arrived in time to stop it. They shockingly discovered it wasn't a bee at all but a robot and learned the previous victims worked at Mercury Labs and paid a visit to an "old friend" Tina McGee. Dr. McGee confirmed the bees were the work of Brie Larvan but the bees went after Tina while Brie herself was sheltered some miles away, so Barry and Ray teamed up to stop Brie and the bees while Eobard and Felicity assisted over communications. After Flash failed to catch up to a thief who could change into any person of any age Eobard became worried that this meta-human if he/she were to copy Barry, then he/she may be able to copy his speed and told him to stay away from the criminal. After confirming the meta's identity as Hannibal Bates Barry and Eddie went after him but failed when Bates took on Eddie's appearance and made him go on a killing spree. Meanwhile, Bates infiltrated S.T.A.R. Labs, disguised as Barry, and came close to killing Iris and Caitlin but Eobard used a taser to force him into unconsciousness. After Joe and Cisco returned from Starling City Eobard gave his regards to Eddie and talked to Joe about his visit, but Joe questioned why he never went back. Eobard again lied and claimed it was because of Tess but Eobard changed the subject and asked why Joe never talks about Iris' mother but Joe didn't reply and Eobard offered to have another drink with him sometime which Joe agreed to.
Eobard later returned to his secret room to ask for an update from Gideon but she assured him everything was fine and later helped Cisco and Caitlin work on a device to induce lucid dreaming, which they claimed was for physiologists dealing with people traumatized by meta-human incidents. Later Eobard called Barry and informed him of a fire in a building nearby but Flash was unable to retrieve all the civilians before the fire burnt out of control, but Eobard told him to rotate his arms at high velocities which extinguished the flames. After Eobard returned from a conference Caitlin informed him that Cisco finally figured out how the "Reverse-Flash" "escaped" and Eobard realized his cover was blown. Eobard instead sent Hannibal Bates to pose as him and spring the trap the team had set for him as a means to get him to confess to Nora's murder. After Joe killed Bates, Eobard finally dropped his facade and addresses the team over the intercom and admits to using Bates as a distraction in exchange for his freedom. Barry and Caitlin expressed their anger for ruining their lives but Eobard claimed to understand their anger, but tried to assure them that his actions have actually improved their lives. Barry then angrily tells Eobard to face him and he assures him that they will fight again, very soon. To secure leverage Reverse-Flash ambushes Eddie and Iris, just as Eddie is proposing, and knocks out Eddie before moving in on Iris. However, before Reverse-Flash can kill her Flash arrives and Reverse-Flash abducts Eddie instead. Reverse-Flash takes Eddie to his secondary lair underneath S.T.A.R. Labs Upon hearing that Eddie is already aware he isn't Wells Reverse-Flash decides to reveal his true identity and relation to him, answering his questions as to why Reverse-Flash didn't kill him at Christmas, and informs him he is his "insurance".
To distract Team Flash Eobard ordered Grodd to distract them using whatever means he saw fit while he constructed a device to re-power the particle accelerator, while keeping Eddie tied to a chair. While Eddie questioned Eobard's claims he stood by his pride to be a member of their family but revealed that history has virtually no record of Eddie and is considered to be a failure, and even shows Eddie the newspaper showing that Iris is destined to marry Barry. Later Eobard finished his device and activate the accelerator. Before leaving Eobard tries to justify himself to Eddie by asking him to reflect on his own life and think of all the things that define it and what would he do if he lost everything, if he would accept his new life or get back everything he lost. After the accelerator activates Reverse-Flash escapes the facility with Barry in pursuit but releases Shawna as a distraction for the rest of the team. Despite Barry's efforts he is unable to keep up and Reverse-Flash escapes. Eobard returns 36 hours later when the accelerator is ready for activation, but Barry meets him outside. Eobard commends Barry's failed but brave attempt to transport the meta-human prisoners to safety, foiled by Captain Cold, but questions Barry's plan to face him again since he failed every time before. At that moment Firestorm and Oliver, under his "Al Sah-him" guise, arrive and despite being outnumbered Eobard was confident he could fight them, and he engaged them all at once. Reverse-Flash and Flash fought but Reverse-Flash manage to subdue Flash and sent Firestorm flying miles away forcing Flash to save him, but Oliver was able to hit him with an arrow laced with nanites, courtesy of Ray, which disabled Reverse-Flash's speed forcing him to fight Oliver in hand to hand. When Reverse-Flash recovered he pinned Oliver to the ground and prepared for the kill only for Flash to save him and both speedsters fought above S.T.A.R. Labs. While both Flash and Reverse-Flash fought Firestorm intervened and blasted Reverse-Flash off the roof before Oliver finished him off with another arrow.
Erased from existence
Eobard was placed inside the pipeline and after sometime Barry visited him to get answers, addressing him as "Thawne" and confirming he was now aware of his real identity and asked why Eobard killed Nora. Eobard explained the circumstances and reasoning for his murder of Nora and that he needed Barry to become The Flash in order to generate enough Speed Force to create a wormhole though which he could return home, and in the process Barry could return to the night Nora died and undo Eobard's actions. Barry didn't believe him but eventually opened up to Eobard's plan and explained that his plan required using the particle accelerator, explaining that Barry would have to run at Mach-2 speed through the accelerator and collide with a single hydrogen particle. Doing so would send him back to any time Barry desired and create a wormhole behind him which could be used by Eobard to return to his time. However what Eobard neglected to tell them is that doing so would result in the creation of a singularity. When he was chastised he assured them they would have enough time for both to achieve their goals, 1 minute and 52 seconds, and once accomplished they would be able to close the portal. Later while building a time machine for Eobard, Cisco visited him for advise on materials and after he told Cisco what he required Eobard became infuriated that Cisco didn't have as much sympathy for his predicament. However Cisco revealed to Eobard that he had murdered him in an alternate timeline and Eobard, though unsympathetic for killing Cisco justifying that he had a good reason, showed great concern and joy to learn that Cisco had indeed become a meta-human and informed Cisco that a "great destiny" awaited him. Eventually Barry prepared for the jump and ran at the speed required and Eobard tutored him on how to access the time he wanted, and successfully time jumped to the night Nora died.
After the portal opened Eobard admired Cisco's newly built Time Sphere, admitting that it's original creator Rip Hunter would be impressed. After a strange helmet arrived Eobard knew it was time to leave and bid farewell to Cisco but before he could take off, Flash returned and destroyed the pod. Enraged, Reverse-Flash charged at Flash and fought him. As Team Flash worked to close the portal, Reverse-Flash beat Barry into submission and prepared to kill him, vowing to kill everyone else he loved. Eddie, however, shot himself in the heart in the last second before Reverse-Flash's killing blow to Barry. As Eddie's heart failed Eobard's face reverted from Harrison Wells back into his original, as he started fading out of existence. When Eddie died of his self-inflicted injuries, Eobard's body begun to crack apart. He arrogantly told Barry that he had controlled his life for so long, and asked how he'd get along without him, right before his body was incinerated and his existence erased from the timeline. However, his removal from existence all together caused a paradox that reopened the singularity, which also served as a doorway to Earth Two. This singularity also caused the death of Ronnie who was forced to sacrifice himself to close it.
In the event of his death, where his plan to use Barry's speed to return to his own time were to fail, Eobard arranged for Barry to inherit and also made the confession video to the murder of Nora Allen for Barry to give to the police to free Henry. Though dead Eobard's actions continued to affect Barry even 6 months later who blamed himself for Eddie and Ronnie's deaths, for which he blamed Eobard for causing.
6 months later Barry received the message but before confessing, Eobard stood his ground in saying that despite having what he wants, Barry will never truly be happy. Eobard then confesses to Nora's murder much to Barry's shock and delight. Upon meeting "Jay Garrick", Barry was instantly distrusting of him believing he was seeking to exploit them like Eobard did but Iris convinced Barry that not everyone is like Eobard, and eventually Barry began to trust Jay.
When trying to lure out ZoomBarry admitted to Joe that he was haunted by Eobard's words that he'd never be happy, as Eobard knew Barry in the future. However, Joe told Barry that Eobard was just trying to mess with him one last time, and urges him to forget him and go out and get what makes him happy. Around Christmas time, Barry, talking to Earth-2 Harrison Wells in place of Eobard without him hearing, told Eobard he knows that he is still a part of his life and how much he hates him. However, Barry decided that he didn't want to keep hating Eobard, and decided to forgive him. Barry later remarked when talking to Earth Two Harrison that despite all Eobard did to him, he also did help him a lot to become who he is, and he was in a way a father figure to him. When Barry found out that Jay Garrick was Zoom he begun to blame himself for making the same mistake he did with Eobard.
Reverse-Flash grabs a kitchen knife and attempts to stab Nora but is attacked by another version of the Flash from the year 2016 who viciously beats him down, refusing to let Reverse-Flash kill her and refusing to let him ruin his life ever again. Reverse-Flash is then viciously beaten down by Flash and knocked out and his future actions erased from the timeline.
Barry takes Eobard to an abandoned building and locks him up in a cell that prevents him from using his powers. Three months later, Barry goes to give him some food, Eobard tells him to release him but Barry refuses to, saying he is never harming anyone again.
Barry later returns confronting Eobard about his memories as the Flash being erased. Eobard tells him as long as he uses the Speed Force, he loses his powers and memories at the same time and the timeline being set permanently.
Barry later decides to release Eobard to kill his mother after seeing Wally get killed by The Rival and seeing his friends lives being ruined. Eobard is released and takes Barry with him to 2000.
The Reverse Flash kills Barry's mother and takes Barry back to 2016, saying that even though thing are back to normal for him there will be differences for Barry. Unlike the original timeline, Eoabrd's existence remains intact (possibly due to some time remnant mechanic or maybe Eddie is still alive). He taunts him before speeding off.
Eobard later travels to 1942 and helps Damien Darhk capture a Nazi Submarine. He later gives a serum to Baron Krieger in exchange for a deal with Hitler. When Krieger fails, Eobard goes to the Justice Society of America headquarters, kills Rex Tyler, and steals the amulet, that they and the Legends recovered.