Technically? With Shirk, you don't even have to stay in Tank Stance. If Healers are on point, Both Tanks can be in DPS Stance and not have to worry about aggro, only needing to swap to Tank Stance for TBs. I know because I've done Susan EX and with my Co-Tank, shirking between us let me stay in Deliverance for almost the whole fight. He probably could've taken off Grit and be fine but one can never be too careful around unsuspecting Healers.

tl;dr Shirk could potentially be an overall DPS Increase, and



Quote Originally Posted by Brannigan View Post
Shirk is how you high five the other tank for the tag out. They raise their hand up with provoke and you tag it with shirk. Don't leave them hanging.