Katsuki is 22 years old and of average height, with a slim, muscular build, and a tan skin tone. He has short, spiky, sandy blond hair with choppy bangs that hang over his eyebrows. His eyes are sharp and red in color. He wears baggy black pants, along with brown boots. He has no shirt on, and instead covers his back with his red cape. His cape has blonde/brown fur at the shoulders. He has multiple tribal tattoo's and accessories. He wields a sword, and has pockets for daggers in his boots.