Misbegotten Memories

All over the world, people begin dreaming fantastical lives from other universes. Middle-aged warehouse manager Hector Thoreaux dreams the life of Volithur, a teenaged war orphan learning to cultivate among the Xian who will rise far beyond his humble beginnings. Soon he realizes that not only are the powers taught in those dreams real, so is the multiversal war threatening to destroy humanity everywhere. Advance chapters available on Patreon. — Description from novelcodex.org