When reading the adventure I was expecting someone was going to die, but it didn't happen. I expected the legendary actions/resistances to be more effective but she still got ripped apart really fast. I think the group had a harder problem trying to get away up the tunnel at the end. I noticed some other people saying the first fight with the yellow creeper and zombies was problematic but I think that's more on the DM to express the fight as hopeless. My group is also paranoid so they avoided the corpses and studied the obelisk and figured out the puzzle before combat began. I think in retrospect I probably should have started the fight before they'd gotten into place to press the buttons to keep things exciting.
[4 of 5 Stars!]