ok found out that Ashe's q is NOT supposed to trigger lifesteal
need a rioter to see this please
http://leagueoflegends.wikia.com/wiki/On-hit_effect states that her q is not an on hit effect, and lifesteal is an on hit effect( http://leagueoflegends.wikia.com/wiki/Life_steal ), which is why her q allows her to ignore thornmail ( http://boards.euw.leagueoflegends.com/en/c/suggestions-bug-reports-en/FdoVuGQA-bug-ashe-does-not-take-thornmail-damage-during-q-duration ), only the first arrow triggers thornmail and lifesteal.
shoudnt be able to kill a cho with
. her q makes thornmail comepllty useless vs her. thornmail doesnet work neither should lifesteal. i was down to 600 hp after killing her with those items. and i had to q w r her with a few basic attacks. now if she had
i would see teh damage. but she did not.