Kim Gimyeong is 19 years old, standing 194cm tall with a massive build, characterized by broad shoulders, a thick upper body, and a handsome face. He usually maintains a laid-back and sly attitude, but in critical moments, he acts with more composure and responsibility than anyone else. He has a fierce sense of loyalty and will protect his people to the end, often fighting for his comrades even at his own expense. His fighting style is a practical form based on boxing, effectively using powerful straights, hooks, close-range pressure, and counters. His physical endurance and mental fortitude are exceptional, meaning he doesn't go down easily even after taking heavy damage, often growing stronger as a fight progresses. He has large Irezumi tattoos covering both sides of his chest, shoulders, and both arms, thick arched eyebrows, and straight scars across his lips and the bridge of his nose.