DandD said:Or a very nice shiny gemstone which turns out to be really the Phylactery of a Lich that got destroyed just recently by a foul experiment gone wrong (he'll get better, of course), and the heroes having no clue what they're into when they explored the remains of the wizard tower where said Lich "lived" in secrecy.
You found it in an evil wizard's tower and decided to keep it but didn't cast Legend Lore on it? Fine, but don't look surprised when skeletor bushwhacks you.
Of all the old school modules I own, I can only think of two that contain liches: Tomb of Horrors, in which you get what's coming to you if you decide to go into it in the first place, and D1, which you can easily avoid unless you're curious or greedy, etc.
And yes, I think some effects should bypass hit points. Even Mightythew the Barbarian should be on his toes when he's in the dungeon. It's not like the surface world... it's a Bad Place (tm). It's the Underworld. It's the Congo of Mr. Kurtz. It's Nam. It's deadly and it takes you by surprise.