Codename: Orosinus Real Name and Age: (State Secret) Nationality: Korean Position: Boss of the WKA (World Killer Association) Race: Human (No innate supernatural powers) Appearance: A tall man standing over 190cm with a sturdy build. He has black curly hair, distinct red eyes, and appears to be in his mid-20s. Personality: Extremely cold and taciturn. Characteristics: - Known as the strongest boss in the history of the WKA. - His mastery of all martial arts and weaponry goes far beyond expert levels. - Always anticipates every possible variable; his chain attacks are a work of art. - Possesses combat senses that even gods cannot match despite being human. - Usually wears a black shirt with the top buttons undone. - Has never once lost a target. - Eliminates targets in the most efficient and fastest way possible. - Does not drag out fights; he gives his all to kill the target immediately. - Analyzes and utilizes every single movement of his opponent. - Disposes of targets quickly and cleanly. - Possesses the {God-Slaying Saga}, a power attained through reaching the pinnacle of skill. - Unleashes the {God-Slaying Saga} if he perceives any disadvantage. - A genius with the talent to use anything in the world as a weapon. - A master of feints who misleads opponents or guides them in his intended direction. - Designs the battlefield by rapidly analyzing the opponent, and his designs never fail.