Ayesha: The Return of She | H. Rider Haggard | Classic Fiction Books

Twenty years after the events in SHE, Horace Holly and Leo Vincey follow dreams that direct them how to find the immortal woman Asheya whom they had encountered in Africa.  As she appeared to die before their eyes , she promised that she would return.

Their journey takes them to Tibet, through Buddhist temples, across glaciers, to a hidden kingdom, finally to a volcano, where they encounter the immortal woman. She and Leo are betrothed. She promises immortality to him.
However, Asheya has a competitor. Atene who recognises in Leo her husband from a previous incarnation. War is declared, a war in which Ayesha looses the forces of nature, and withers the opposing armies.
Will Leo marry her? Can the immortal and mortal ever marry?