any of you have any idea what happened here? three characters all died at once when they backed into one of the slanted walls in the abandoned temple of baa

I've seen something similar once or twice before, same dungeon too. No clue what it is though. I want to say it's buggy mesh causing crazy fall damage but there should be no fall damage indoors (I think?). I just realized it's kinda like walking under the flame door in VARN with 5th slot height, kills you instantly but not sure why.

Related clip from fixxxer's stream here .

I was recently in the mood for some disassembling and found out there indeed is fall damage indoors.

The code for checking whether the party should take damage is likely incorrect which is why you don't usually take fall damage indoors. I was testing this with the fire door since it's easily reproduced there. I noticed that while walking against it the "fell from" height, used to calculate amount of fall damage, is set to around the top of the frame, but the party stays on the floor. The game checks if the party is on the ground and if its current vertical position is 512 units (or more) less than the "fell from" height, if so then damage is applied. The door frame happens to be just about 600 units above the floor and since the "fell from" height is repeatedly being set while the party remains on the floor, you take fall damage on every frame while walking against the door. Didn't investigate further than this into the exact cause of broken indoor fall damage.