increases your AD when you damage enemy champions (Max 5 times)
restores some of your missing HP when you takedown enemy champions
With enemy CC is reduced to you
gives you much more damage when you have low hp and the more damage the more life steal
With life steal is gradually much stronger
increases you life steal just as E

is a good keystone for Aatrox's mechanics
increases your damage for every unique enemy champion and ward takedown

Auto Attack, (it resets Aatrox's auto attack timer), Activate