The bar was...unusually reticent, in the lower layers of her mind (and she hadn't pried further; she wasn't sure if she'd be noticed; she wasn't sure if offending would get her kicked out, and regardless of whether it was actually safe it was safer than anywhere else she'd been for the past...three years?) so she couldn't be sure this place wasn't really a trap of some kind, but the higher layers gave a plausible explanation that didn't involve being a trap, and whatever else it was warm and dry and had food. Her guard was probably a full 25% down. Positively trusting, these days.
"Oh, excellent. Well," he says, glancing at the girls. "At least one person here wants to become a sorcerer. What is there to make that not hurt horrifically unpleasant?"
"Beautiful," he breathes, looking it over. "No wonder no one has been able to figure this out--these concepts--" he shakes his head. "Amazing."
"Well, the jargon needs to be taught, but the diagrams will make sense as soon as you're a sorcerer."
"I hadn't planned beyond casting the two spells I promised when I walked into this room, but making you a sorcerer and not educating you in any way would be only a little better than useless."
"Self-employed, and while I wouldn't describe my time as infinite I think indefinite would be accurate."
"...It's possible that it would be best to outline a reasonable curriculum and have you learn from what the Ancients knew. They possessed feats of magic unmatched in the modern world. And I've never taught before, and--my own teacher did not set a good example."
"No one knows. People find ruins of the Ancients' civilization sometimes, and Artifacts, but very rarely any writing, and if anyone has translated any of it I haven't heard of it."
"Good question! Bar, are there any available documents that could shed light on this subject."
"...So maybe be careful who else you make a sorcerer, but besides that you're probably fine."
"I'm vaguely curious what happens if you sorcerer somebody and then the loop resets them but I think that goes on the list of things that are a bad idea to test."
"Kinda, yeah. I'm not even positive I'll keep it, since it sounds like it applies to the body, but it's worth a go."