The Fist of Justice, which was known as "The Ultimate Technique", is a move Mark's grandfather, David Evans, never perfected. The secret of this move was the "whirl" meaning he has to spin instead of just punching. This move appeared as the fist version of the God Hand. In Japanese, it was known as Seigi no Tekken.thumb|300px|right
This move appeared as the fist version of the God Hand. When Mark shows the golden hand used in God Hand, he punches the ball while whirling it.