Conan and the Gods of the Mountain — Roland J. Green

Fleeing the sorcerous destruction of a long-lost city, Conan fights side-by-side with Valeria of the Red Brotherhood, that notorious and voluptuous she-pirate. Pursued by deadly spies and assassins, the Cimmerian and Valeria find themselves caught squarely in the front ranks of a bloody and savage war. But greater peril lurks in the shadow of a vast and forbidding mountain, where the Spirit Speaker wage occult battle with God-Men, who can read the future--and summon a Living Wind that consumes the soul even as it destroys the flesh.

Even a sword powered by barbarian might is of little use against spirits, much less against great beings of the elder dark, but the final struggle for survival will come down ton...Conan and the Gods of the Mountain