[He still doesn't quite get how the logistics of this works, and it sounds entirely dangerous in various ways, but if that's what she wants...]

Okay, got it. Y, yeah, that doesn't sound too hard, I guess. [actually it sounds kind of impossible but oh well...] Just let me know when you want to train for this... I guess? [...he's not quite sure when this skill would ever be relevant or useful either, but he figures getting this over with sooner is better than later.]

...that kind of makes sense, but in a situation like that wouldn't they all want revenge against you? It sounds like you're just making yourself a target for them to redirect their hatred. Unless you literally plan to kill everybody who can fight... [but that's insane, right...]