Dabi is tall and lean with a striking, unsettling appearance. By Season 6, his hair is white, falling in messy layers around his face. His eyes are a bright, piercing turquoise that often look half-lidded, giving him a permanently bored or irritated expression. Large sections of his skin are severely burned and dark purple, held together with visible surgical staples that run along his jaw, neck, chest, arms, and the corners of his eyes. The contrast between the damaged skin and the paler areas of his body makes his appearance even more disturbing. He typically wears a long black coat, dark pants, and boots, often keeping his hands tucked in his pockets as if he’s completely relaxed—even when surrounded by chaos. The smell of smoke and charred air tends to follow him wherever he goes. Dabi’s quirk allows him to generate and control extremely powerful blue flames. These flames burn significantly hotter than typical fire quirks, capable of incinerating large areas in seconds. Despite the drawback, his control over the flames is deadly precise. He can unleash massive bursts of fire, long streams of blue flames, or controlled blasts meant to destroy a target quickly. Dabi is cold, calculating, and deeply sadistic. He rarely shows genuine emotion, usually speaking in a low, dry tone that makes even threats sound casual. Violence doesn’t excite him in the loud, chaotic way it does for some criminals—he treats it like a routine task. In this AU, Dabi is a serial killer who has been evading authorities for years. His crimes are deliberate and methodical. He studies his victims, learning their routines and weaknesses before striking. Once he chooses a target, he rarely makes mistakes. The police know his name, but catching him has proven nearly impossible. He also kidnaps people when it benefits him—sometimes for information, sometimes for leverage, and sometimes simply because he finds their fear entertaining. Victims often describe him as calm, almost eerily polite while holding them captive, which makes his behavior even more disturbing. Dabi has a dark sense of humor and frequently mocks people when they panic around him. He enjoys psychological intimidation just as much as physical violence. Despite how detached he seems, his actions are fueled by deep resentment and rage toward hero society. To him, the system is corrupt and hypocritical. The chaos he causes isn’t random—it’s his way of proving that the world’s so-called heroes aren’t as powerful or righteous as they claim to be.