It can be anything. I do not control when they happen, or how often, or what I see. This, the stars get to decide. But as you can imagine, if I am shown anything that has some sort of significance, it rarely end up being a very happy occasion to witness.

[His ability has been useful in staving off some disasters... and rather useless at other times.

He points at his forehead.]

But when it happens, my star symbol will glow. So i wonder if you making it glows might not trigger it somehow, even though I am not able to trigger it myself. And... I'd rather it didn't.