That's all swell and good, but what if you're plunged into the dangerous situation right after you're injured? That's what happens when you participate in battles. You get injured, there isn't going to be any time to be healed up properly.

[Though he is shocked to see that his leg is feeling just fine after she gets done with it. What the hell is this, some sort of alien wizardry!? He's raising an eyebrow at her, just dragging her along once more.]

So you are a witch, using magic like that. You're hiding your true identity from me this whole time? [Whatever it is, he's just going to be rushing them to get out of this dark field.]

Still, it's a pretty handy trick. Any other magic you'd like to show me?