Talk:Kayle/@comment-26058326-20150702101714/@comment-24053145-20150703082210

Probably a bug. The passive is counted as an on-hit but the active is still an "on-attack spell", resulting in some cases where Kayle does more damage with E off than it on.

Red post:  http://boards.pbe.leagueoflegends.com/en/c/bugs/90uhKRyL-sated-devourer-deals-less-damage-than-it-should-when-kayle-has-her-e-activated