Realm walkers trilogy

Cantor D'Ahma waited his whole life for this day. Born with a gift to jump between worlds, the young realm walker is finally ready to leave his elderly mentor and accept his role as protector and defender of the realms. But mere hours after he steps through his first portal, Cantor discovers that his job will be more dangerous and difficult than he ever imagined. The realms are plagued with crime and cruelty, and even members of the once-noble Realm...