The interaction of Undead with the rest of the rules is often less than satisfactory. Part of this is that the undead type itself is extremely overzealous in the game effects it provides. The fact that all undead don't need sleep means that vampires don't have to sleep in their coffins. The fact that undead don't have a Constitution score means that Ghouls can run for exactly zero rounds before they have to make a Con check (that they automatically fail) to continue (and also says it can "run on indefinitely", a base contradiction that makes us sad). The fact that undead are immune to critical hits means that a vampire can't be staked through the heart (even if it was sleeping, which it isn't). But even beyond that fundamental error, the multitude of authors that compromise the Dungeons an