"That's not right." He means the swelling demon, at first. They're not supposed to get bigger like that, it's just not right. And then a moment later two Wardens are down and the others, if they're smart, will be dodging away, which means he's face-to-face with something that's inflating like the most gruesome sail ever.

The best way to deal with that? Mindblast. It's instinct when he's cornered anyway, and he casts quickly, staff slamming into the ground in front of him as if it could be some form of icy shield as well. It can't hurt, at least.