Lorelei of the Red Mist by Leigh Brackett

He died—and then awakened in a new body. He found himself on a world of bizarre loveliness, a powerful, rich man. He took pleasure in his turn of good luck ... until he discovered that his new body was hated by all on this strange planet, that his soul was owned by Rann, devil-goddess of Falga, who was using him for her own gain.