Ahaha, most of them are very... formal.

[So, yes. Stick up the ass. It's a shame.

It's no surprise that there are more spells than the handful that the new shinki have had a chance to learn, though, and Hakkai's expression grows thoughtful.]

I believe Kazuma certainly wasn't showing us everything he could do. If this Sabimei is willing to teach you what he knows, it seems worth seeing what he'll show you.