Mmhm! Don't think I've run into anyone who isn't. It's not any sort of curse mark, at least. [Since it sure doesn't seem to have any of the resentful energy that curse marks kinda Need...] Ah - but it does seem to burn sometimes!

[It's fine, though, they're all doing fine with their mystery burning tattoos of unknown origin.]

I think the image is probably significant for a lot of people. Placement too, in some cases.

["Some cases" because he's fuckin thinking of Lan Wangji's stupid forehead cloud, which makes him grin.]