Too much sustain/lifesteal in league?
It does not matter if your top/mid/jg/bot lane...
In early game there is too much sustain and life steal in league, no longer can you out trade your enemy/enemies by slowly fighting them over and over.
a new item that further made this even worse was 
lately in league of legends you have to "commit" to a fight on any role yes even supports or else they will lifesteal/sustain all the damage you did back.
and in late game forget about using stuff like "gorilla tactics", its either you win the fight and get an ACE, or lose the fight and win the game.
I think it is time for riot to add a few more anti-sustain item similar to 