Something like it has happened to me before. [Hence his suspicion. But he doesn't mind having his point undermined anyway; if it turns out he's wrong, then he's wrong.]

I don't mind mysteries... I do not need to know precisely how things work in order to work them. [Magic included.]

[But there certainly are a lot of mysteries here.] Purpose...is what I mean to figure out. If the marks do mean something...I'd rather not be too late to do something about it.

[He pauses, and then leans against the wall, arms folded.] You said I was like a sentry...but I am not. I do not watch for threats to prevent them. But in my world...it was a conflict I could not avoid. If I was brought here to commit a nefarious purpose, I will put a stop to it.