Board Thread:Questions and Answers/@comment-27275759-20171229132753/@comment-31426952-20171229133628

"Massively raises ATK for 1 turn" for SSJ3 Gotenks is a 100% increase I believe

Super attacks that raise allies' attack and also the SA launcher. It starts working as soon as the SA starts so Gotenks gets the boost and allies that attack after him, none before.