Eren Yeager (Attack on Titan): After witnessing his mother's death during the Titan invasion, Eren's rage fuels relentless training and resolve to eradicate Titans.

Tanjiro Kamado (Demon Slayer): Tanjiro loses his entire family to demons, pushing him toward relentless training, compassion, and strength while seeking justice and saving Nezuko.

Guts (Berserk): The betrayal during the Eclipse shatters Guts' world, but pain hardens his resolve, driving his brutal strength and relentless battle.

Edward Elric (Fullmetal Alchemist): After losing his mother and brother's body during forbidden alchemy, Edward dedicates himself to mastering alchemy and restoring what was lost.

Gon Freecss (Hunter x Hunter): The devastating loss of Kite shatters Gon emotionally, leading him to unleash terrifying power fueled by grief, anger, and sacrifice.

Sasuke Uchiha (Naruto): Sasuke's clan massacre by his brother Itachi, pushes him into intense training, shaping his quest for vengeance and overwhelming power.

Shoto Todoroki (My Hero Academia): Todoroki overcomes childhood trauma and family struggles, eventually embracing both fire and ice powers to become a stronger hero.

Thorfinn (Vinland Saga): After losing his father Thors, Thorfinn grows consumed by revenge, enduring harsh battles that gradually reshape his strength and purpose.