I haven't been paying as much attention to the thunder, but check this out.

[What follows is a livestream from one of the rocky areas. The visual seems to be just rocks, at first, but behind one of the taller ones, one can just make out a hooded figure in brown. Determining their gender, never mind managing to see their face, is next to impossible.]

They disappear every time there's not something between me and them, mostly on the periphery. Just the one as far as I can tell.