What exactly is that above her outburst in the last panel?
My opinion: It's a startled dragon or some such flying beast.
Also, that's a cold way to kill a person. But I doubt he'll die, he is a "cheat" healer, after all. No doubt he'll make a come back in some later chapter, probably as the "scared person who knows better" type. Afraid of the protagonist but unable to explain why- because of his slave agreement to not say anything about him.
He protecc
He attacc
but most importantly
He love the racc