Oh, bad idea from your DM. Those modules were specifically designed to be meat grinders. Nobody got out of those alive. https://twitter.com/Abstruse/status/1320368913650225153">https://twitter.com/Abstruse/...
They got away with it, because they were meant to be played at a tournament, ie. a nerd convention. You were playing with five or six strangers you& #39;d never see again, so who cares.