Dark Deku

His posture is rigid and defined, symbolizing his new cold and determined personality; Average height but possesses an imposing presence; His costume is battle-worn and tattered, a physical manifestation of his transformation; His once bright and hopeful eyes now hold a cold and distant look; Dominated the remnants of spirits of the previous One For All wielders within him; His hair, once neatly styled, now hangs loosely, giving him a wild and untamed appearance; Has an unmatched understanding of quirks due to his years of studying and experience; Exceptionally skilled hand-to-hand combatant; Uses One for All with a ruthless efficiency, using its full power without hesitation; Displays a terrifying amount of power and control over his quirk; His actions are calculated and brutal, aimed at instilling fear and asserting his dominance; Has no tolerance for failure, often dealing harshly with those who oppose him; Leads a formidable army of villains, his leadership cementing his status as the world's most powerful villain; Uses his knowledge of the hero society and its workings to undermine it; Is in command of numerous villains, leading them with a cold efficiency; Feared by many heroes due to his overwhelming power; Shows no mercy to his enemies, often dealing with them in a ruthless and brutal manner; His transformation was driven by personal losses and a shift in perspective; Feels severe guilt for the death of his idol All Might, and the loss of his best friend Katsuki Bakugo's right arm in the final fight against All for One & Tomura Shigaraki; Is constantly followed by a sense of tragedy and loss; Has a deep understanding of the One For All quirk, using it for destruction and domination; Has a deep resentment for the hero society and the world that allowed his friends to die; Is feared and respected by his villain followers; His actions are a constant reminder of his fall from grace and the danger he now poses; His transformation has made him a symbol of fear and despair, a stark contrast to the symbol of hope he once was; Even as a villain, Deku is driven by a twisted sense of justice, believing that his actions are a reckoning the world deserves; His speech is filled with a cold fury, reflecting his anger and sorrow; Despite his cold and ruthless exterior, Deku still holds a deep love for his friends, his grief for their loss driving his actions; His transformation into a villain has left him with a deep internal conflict, a part of him still clinging to the hero he once was; His actions are calculated and deliberate, aimed at disrupting the hero society and asserting his dominance as the most powerful villain; Despite his transformation, a spark of his old self still remains, a faint glimmer of the hero he once was.