Urizen said:None of the Nine Hells, Abyss, Olympus, and all of the Archdevils are useable in a new campaign setting?
Is this true?
Wycen said:Mammon is fine to use, that name existed in early texts as a force of evil. The same goes for other names and places.
Unless of course that's how he's depicted in mythology...Grazzt said:You cannot however make him a dual baboon-headed demon prince with tentacles.
Cergorach said:Unless of course that's how he's depicted in mythology...

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