Riot should fix grievous wounds and lifesteal...
i was looking for the "new" thornmail, it looks like very cool and i like the idea. But i think that sustain based champion are receiving another unnecesary nerf , darius or illaoi , for example now cnat even kill easily a tank (because catching an adc actually with this champs is barely imposible.)
lifesteal is a good idea , but it shouldnt be better than a sustain champ ( at less building just 1 item...) I dont like when i am playing vladimir and a riven with hydra can outsustain me .
Natural heals are just helped by visage , meaning that you are limited to your spell , for example if you are an as based champ
you have a lot of items that sinergyze with you
... and , in addition the opponent cant really answer it
this items AS debuff to and adc are nearly unnoticeable.
In contrast if you are playing mundo and the adc have an executioner ore the mid a morello you know that you are quite fucked....
I think that this healings should not be reduce by grievous wounds or that riot can nerf lifesteal or make something that really sinergize with the healings...
most frequent build is

. I don't think it really affects Illaoi since it's her tentacles, not her autos that heal her. Same with Darius Q. You can just wait 1 second before using their Q for the heal. It only applies GW if the attacker hits the thornmail wearer. Attacking with thornmail does not inflict GW, like
does.