He can't fight all of these creatures. All he can do is be a weakness and distract the fighters, but not even the fighters are doing well. Bull had been down for a time, Taas is too close to the golem, the raised corpses are everywhere, and it's bad.

"We need to all go!" How can they possibly win this fight? The last time the group he was with got swarmed, he was the only survivor and Biff made gurgly noises. ...The noises had been satisfying, actually, but there's no one in this group he hates. "Please!"

In the meantime, he's backing away, trying to keep from overtaxing any lines of defense, casting a weak healing spell over the whole group in hopes of that being enough to help make some sort of difference.