AppearanceWithout the full extent of her powers, Athena looks like a girl in her early teens with grey-white hair and purple eyes, dressed in a school uniform with a knit cap on her head.
After reclaiming her Gorgoneion, Athena seemingly ages to her early twenties, and her clothing transforms into a Grecian toga, and she wears a crown of flowers on her head.
During Volume 9, Athena's possible true form is revealed. In this form, she posseses the upper body of her usual childlike form, while her lower body is a large snake, roughly ten meters long, with silver-white scales.
Athena has a very cold personality, with no interest in anything but reclaiming her lost power. Since her defeat, however, Athena has taken an interest in Godou Kusanagi, seemingly not sure if he's a true enemy of hers or not.
Athena was originally a Mother Earth Goddess originating in Africa and suggested to have been the queen of the gods of her panethon. She was a goddess of darkness, snakes, owls, the earth, sky, and of life, death, and wisdom. Eventually she was overthrown by the male gods lead by Zeus. Under one of her names, Athena, she was demoted to being Zeus's daughter, by another, Medusa, she was turned into a snake monster who turned those who gazed upon her to stone.
Battle with Godo Kusanagi
Athena was first seen trying to talk to Godou, asking if he is the god-slayer, holding the highest level of skill in wielding the sword (probably mistaken as Salvatore Doni) after knowing that he does not hold the Gorgoneion, she tried to get into a fight with Godou, but Godou refused her. Following the Gorgoneion, she had met Godou once again in Japan, and she defeated Godou by sealing his lips, then using the curse of Death.
After defeating Godou, she had her doubts whether Godou died, trying to kill him, Erica protected Godou then fled from the battlefield. She engulfed half of the Tokyo in darkness while trying to locate the Gorgoneion, finally followed the Gorgoneion and reclaiming it, she transformed into her true form. She placed the curse of Death on Yuri, Yuri called Godou for the sake of defeating Athena.
Athena's legends were revealed by Godou, Athena enraged, told him his trump card, the White Stallion. After forcing Kusanagi Godou to use his authority, Athena used the Shield of Aegis, trying to defend from the White Stallion's flame, was pierced by Erica's spear infused with the magic, bearing the same power as the Longinus, and defeated. Trying to ask Godou why he did not kill her, Godou simply said that he will drive Athena out of Japan, not kill her. Athena, taking interests in Godou's actions fled the battlefield.
Encounter with Perseus
Athena sensed that there will be a big battle. Athena went to Godou's location, talking to him that there will be a big battle sooner or later, Athena decided to train Godou. Forcing him to tag along her, left Sardinia, they went to Naples. After seeing the flying dragon, They followed its trail, finally meeting the Greek hero Perseus. Perseus tried to kill the dragon but was stopped by Athena. after the dragon was absorbed by Athena, she placed Godou in her stead to fight Perseus, after seeing Godou and Perseus going to the stage of the fight, Athena decided to watch the fight and saw Kusanagi Godou dead, Perseus having doubts tried to point his arrow on Godou, but was stopped by Athena, saying that the god-slayer is her prey. After talking to Perseus, forcing him to leave, Athena told Liliana to take care of Godou.
Seeing Godou having no chance to win, she decided to lend a hand for a price. Godou's group refused her and left. Coming back with only Liliana, Athena wondered why she is not with the god-slayer, mentioning some words related to Perseus, Liliana was granted a Spirit Vision about Perseus. Trying to punish Liliana, Godou suddenly appeared. Godou won the trade against Athena and she said words related to Perseus, Liliana suddenly received another Spirit Vision. After seeing Kusanagi Godou and Liliana Kranjcar leaving, she decided to watch the battle.
After seeing Godou win the fight, but full of bruises, she decided to heal him, saying to Liliana that it is only a fact to give the hero a reward after defeating the enemy. Saying words of revenge and farewell. She finally left.
The first appearance of Athena in this volume is her fight against Guinevere and Lancelot somewhere in the Southern East Europe where Guinevere was discovered by Athena while digging some dragon bones for creating a divine artifact with the same power as the Divine Sword of Salvation. During the fight, Athena was tricked and the Holy Grail was placed inside her body. Knowing the Holy Grail was depleting her life force, Athena fled and went to Japan to fight Kusanagi Godou before her life is lost. Athena, going to Japan to fight Kusanagi Godou, wished for a duel, declaring that she will not take a "no" as an answer, left and prepared for her fight.
Athena, knowing that Godou will not fight her, she decided to turn the landscape into stone, even turning roads, plants, birds, humans, and even the sea into cold stones, not breathing a life, not even moving. After turning many places into stones, Kusanagi Godou decided to appear to stop her from creating a greater damage in the place. Beginning her fight against the god-slaying king, she unleashed her ability to turn everything into stone, after placing the curse everywhere, even Kusanagi Godou's companions were turned into stone with the exception of Seishuuin Ena after being lend the divine sword [ma no Murakumo no Tsurugi. She engaged Kusanagi Godou, but she started to lose due to the Holy Grail activating it's power with Godou's Sword infused with the spell words of the Holy Grail. She praised Godou for targeting her weakness, but Godou declared that he will stop fighting her. They were interrupted by Lancelot du Lac's arrival. While trying to escape from the knight, Athena tried to defend from Lancelot's attacks by using the Shield of Aegis, seeing Athena was in a disadvantage, Godou tried to help her from escaping and surviving. Athena brought a mirror, trying to use her own ability to curse herself, she turned herself into stone, going into a temporary near-death state. They were able to escape on Lancelot's attacks after he fled.
After being released from her own curse, she praised Godou for temporarily stopping an indestructible divine artifact, halting its effects. After going into a deal with Kusanagi Godou, she decided to released her curse in the area, therefore turning things back to what they were before. Lancelot joins the fray, Godou tried to ask Athena to fight together against Lancelot, Athena agreeing decided to fight the Knight, Athena was almost able to defeat Lancelot using her Death, was deflected by Lancelot. Kusanagi Godou, noticing the obsidian infused with Death, he throw the obsidian to Lancelot, that resulted his weakening. Lancelot retreated with Erica's words , leaving few words of challenge and farewell.
After fighting against Lancelot, she decided to have a death match against Godou. Blocking Godou's authority, the White Stallion, she decided to land the final blow on Godou, but was unable to. She said that her time was up, leaving Godou a few words and knowledge on secret arts that contains Athena's wisdom.
- Athena has the most appearances of any Heretic God in the series.
- It is hinted that Verethragna stole Athena's Gorgoneion, which eventually passed into the hands of the Copper-Black Cross Knights, and it was eventually passed to Godou after he defeated Verethragna.
- Just before her death, Athena gave Godou a piece of wisdom that allowed him to create the secret art of the Black Sword of The Beginning and The End.
- It is unknown if this piece of information was the entirety of what she gave, or if there's more to it.
- Also heavily implied that she has been reborn as a Divine Ancestor. (Vol 10)