Adventurer rings post big bang

Alright, currently i have a level 86 marauder and am planning to make a Corsair

I already have a character at level 49 at like 87% for the adventurer ring, so getting a ring will be no problem
I am also working on another character for another adventurer ring

So, I was wondering if, taking into consideration, the pathetic additive crit post big band and also the passive crit for buccs/infighters and the crit for cannon for corsair, would the cruel ring be the better option? or would the critical ring be the better option?

thanks