The Chronicles of Conan Vol. 33: The Mountain Where Crom Dwells
Conan scales the Mount of Crom to thwart the release of Shuma-Gorath, an ancient, malevolent demon. But the witch queen Vammatar and the necromancer Kulan Gath seek the Books of Shuma-Gorath to free the evil god and bring it under their control! Collects Marvel's Conan the Barbarian #259-#267.