Board Thread:League of Legends discussion/@comment-27444447-20160505144443/@comment-7463332-20160813083524

If you have the 6 stacks for the phantom hit passive, AFAIK you'll just get the three Q procs off in two attacks, similar to how Spellblade effects and whatnot are only procced once because the phantom hit can't consume an effect that's already been consumed.