User blog comment:Tinhboe/Sated Devourer/@comment-4888212-20150629155825/@comment-24795478-20150629174204

well, braum will create 2 stack on his second attack, result in 3 stacks with 2 attacks.

And every 2 attacks, Kog's W  damage will double, so praticaly it should be like : 6%->12%->6% and so on.