Arise of erean

Eren Yeager is the main character in the manga and anime series Attack on Titan. He starts out as a hopeful young boy, but transforms into a genocidal villain. Eren's character arc is considered one of the most memorable in anime history. 

Eren's rise to villainy

Eren's hatred of Titans begins after he witnesses his mother being eaten by a Titan. 

Eren's father, Grisha, injects Eren with a Titan injection and gives him the key to his basement. 

Eren discovers the truth about the Titans, Eldia, and Marley in the basement. 

Eren vows to free his home from the rest of humanity, who live across the sea. 

Eren gains the Attack, Founding, and War Hammer Titans, each with its own abilities. 

Eren activates the Rumbling, which results in apocalyptic violence. 

Eren's transformation

Eren's transformation from a hero to a villain is controversial and devastating for the world. His childhood trauma and experiences fighting the Titans contribute to his resilient personality.