Sourcebooks containing Demon Lords and Arch Devils

[johnsemlak]

.I might add that there are quite a few Demon Lords and Devils at the Creature Catalog

 

[Knight Otu]

Why not? It's quality stuff!

Thanks.

 

[thorian]

There is also a web enhancement on the Wizards site for the Book of Vile Darkness which contains archfiends.

 

[Geoffrey]

Don't forget the truly terrifying Cthulhoid deities in WOTC's d20 Call of Cthulhu game.