Quote Originally Posted by VenKitsune View Post
The only tank aoe skills that require you to be locked on to enemies are as follows.

Warrior's Overpower
Darknights Abyssal drain...and arguably salted earth, though that is a ground target
Paladins Confiteor (I haven't gotten it to 80, but my friend insists it requires a lock, and the tooltip seems to suggest that)
Your friend is correct, Confiteor requires a target and will do its aoe around that target. And as the range is only 5y it is key that you select the target that is in the middle of the pack.