It's a little of both, I suppose. It's a stabilizer, to give gravely wounded allies more time to be transported to a healer. [That seems like an apt enough description.]

I was also just asked to create protection against the dead. Which will be... a bit more frightening to test, I think. Hmm...

[She pulls a face as that last sentence dawns on her. oh boy. Does she have to annoy some ghosts in her trial and error?!?!?!?!?]