Mega Bandits are the main antagonist of the multiplayer FPS game, DayZ. They are an upgraded version of the Bandits.
After a Bandit kills some heroes and neutral survivors, he become a Mega Bandit, the ultimate killing machine, they are supposed to be the main antagonists because of their actions. Unlike the standard bandits, they are way more dangerous, arrogant, and jerks. Their arsenal is occasionally more powerful than other players, such as: Heroes, Survivors/Neutral Players and even the Bandits.