Quote Originally Posted by Mycow8me View Post
Off tanks are hardly useful in fights except a few raids here and there and are DPS 90% of the fight if not more with almost no Off tank mechanics if any at all except from a very rare main tank death recovery. Sephirot (hardmode, have not tried extreme yet) has literally no tank mechanics at all in phase 2.
Sephirot Extreme does require an offtank, but the actual tanking mechanics are fairly minimal. You're responsible for the two Cochma adds during the transitional phase, taking the damage of the Fiendish Wail towers when the buffs/debuffs aren't out, and picking up a couple of Binah adds during the last phase.

Outside of those brief parts, you're a dedicated DPS.