While playing on the Murder Pits map on arena a cage opened and out came 2 Dune Beetles. 1 attacked us hunters, usual Dune Beetle things, while the other sort of just
Dune Beetleing intensifies
It never reacted to outside stimulation and, even after Laz rezzed it, did nothing.
I’ve seen this occur on hunt maps as well (Megamouth pops out of the ground but stares at you instead of grabbing, Sloths stuck in a permanent threat display, yadayada)