Gez said:
The Displacer Beast, also removed, comes from a Van Vogt short story (as discussed on this thread, search for posts made by Aitch Eye).
Depends on what you mean by "comes from"...I doubt Illithids come from the mythos, but I'd sure bet that they were inspired by it.Guilt Puppy said:This is opinion, but it seems pretty clear to me that Illithid come from Lovecraft mythos. Right down to the way the name sounds...

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.