Accession of the Stone Born: Nine Realms Saga (Vigiles Urbani Chronicles Book 1 by Ken Lange

Gavin Randall hasn’t been home in nearly thirty years. Upon his return, he steps into a world he never knew existed and awakens dormant powers to discover that he’s one of the rarest beings in the supernatural community—a Stone Born. Now his very existence is a threat to the established order. A mysterious death pulls him in further, forcing him to face off against family and foe alike. Gavin must reconcile the past he knew with a strange world of magic, along the way encountering new creatures and dangers he’s never experienced. Will Gavin discover the truth? Or will this new world swallow him whole before he uncovers who he really is and who wants his uncle dead?