Asta is a young man of short stature with an exceptionally muscular build. He has green eyes and messy, ash blond hair with bangs in front of his forehead and a single strand protruding upwards from the center of his head. He keeps his hair together with a black headband, which has the gold-colored Black Bull insignia and has a red-colored four-pointed star with three stitches on the back of it. He has numerous scars all over his body from his strenuous physical training