Jhin Lethality

as long as the enemy team is not stacking armor. lethality jhin is almost useless mid to lategame vs tanky team.

I would stick with just crit. Jhin last game against me on Nasus with thornmail and deadman's plate was autoing me for 950 damage late game. If he had lethality, that probably would have only been 500.

why not both?

Lethality Jhin is better off only .

And yes, it's viable. But beware 2+ tanks. That's when all hell breaks loose and you want to kill yourself for building Lethality on Jhin.