[ He is good at asking questions, at drawing out. Matthias notices, because Matthias usually does, and also, Nina does this but with far more force. Nina's always pushing. He appreciates the chance to simply... talk. ]

Yes, the ones who have the magic to control bodies.

[ And some can call light or shadow, both of whom are walking around in this very base. His discomfort with that shows, but Matthias pushes it back under his stony mask quickly. ]

There are a few types. They are all extremely dangerous. You would not be healing others, with that, [ indicating with his chin, towards the wound, ] you would be using to take the air from a man's lungs.