Luka has the appearance of a fair-skinned wiry man with bright red hair and blue eyes. He appears to have a robotic right arm. His clothing consists of a red vest with a silver flame emblem embedded on one of the edges, a ripped white T-shirt and beneath it appears to be a tank top with molten designs. He wears a black arm band and a black glove on his left arm. His lower garments consists of brown pants, black shoes, a red belt with a golden buckle designed with a silver fist emblem.