Super Saiyan 3 (超サイヤ人スリー, Sūpā Saiya-jin Surī) is the strongest of all Super Saiyan forms in the manga, and the Dragon Ball Z anime. It's the third form of Super Saiyan, the successor to the first and second transformations (the branch stages are not separate transformations, but rather extensions). Goku was the first to achieve the form, doing so in his vigorous seven years of training in Other World