Quote Originally Posted by Cynfael View Post
IIRC it has MP limitations that somewhat mitigate its spam potential. It also tends to be abused by backseat-healing tanks, like Vercure by RDMs of a similar mindset.
2000MP & 1200 potency, 1800 potency under Requiescat. Can be used 5 times in a row. Heals you for half the HP restored if cast on someone else.

I'm not 100% sure but I think Requiescat Clemency might be the best heal in game, at least in terms of how much raw HP is restored per MP spent.