This is the fourth time I’ve had this issue crop up and it’s so incredibly frustrating since it effectively kills my characters and therefore the attempt through this section.
Doesn’t matter where I click, the ability won’t execute. I can get ‘Invalid Target’ returns if I click on a character or enemy, but otherwise nothing. I can use her other abilities, like using her basic attack, but the mass heal simply will not work.
This is also really just another example of targeting issues which have plagued the game since onset. One particular ability will suddenly become unusable for no in-game reason. It’s incredibly annoying.