"Well...I could tell them but frankly I don't think I should..."
"Why not."
He stood up, stretching
"Well...they're...very studious, to put it nicely-they'd probably tear you apart in search of new magic if given a chance-and while I'm sure you could kill them all if you wanted to, I really don't want anyone to die on my watch..."
"More mortal witches!? Do show me."
"See-that reaction tells me I probably shouldn't."
"I wouldn't do anything bad."
"You're the literal embodiment of evil."
"Shhh.."
"pft-"
"Think of this: I'm just as good as I am bad~"