The Super Dragon Fist (Chou Ryū-Ken) is the enhanced version of the Dragon Fist. It appeared in the video games in Budokai 3, It shows Goku (Super Saiyan - Super Saiyan 4) trying to create a Spirit Bomb, but failing, so instead, he manages to absorb it, then performs an enhanced Dragon Fist which pierces through the opponent. From Dragon Ball Wiki, a Wikia wiki.