Talk:Devastating Fighting Spirit of God Super Saiyan God Vegeta/@comment-34039623-20190922133105/@comment-32271305-20190922134213

There's an explanation here: Stack Attack

Look for the screenshots with UI Goku, by clicking on "Expand" at the top. It shows how the game calculates ATK buffs gained from Super Attacks, and how that mechanic is a little overrated.