update: i decided to investigate and i recorded myself doing it, it seemed to actually come from outside, upon looking this thing was there and disappeared after a split second, it was very far away so i only have this for whatever it must've looked like
117 days ago (+1)
i think it might actually be the bloody skeleton itself, i think it might stick around after you're caught by it
i managed to encounter it again, managing to get a better picture of it, and you can somewhat see the ribcage it has
seems it appears near you and makes that sniffling/breathing sound, until you see it and it disappears
117 days ago(+1)
yeah i already know about it, that's why i worded this post this way
this thing is already on the wiki but it didn't say anything about it lingering around after you're caught by it