The Integration nears its peak. The end of the world has come. The only thing standing between Earth and certain destruction is its most powerful man, Zane Walker. To save his home, he’ll have to descend into the depths of the Superdungeon: an unfathomably vast dungeon composed of the ruins of lost realms—and the prison for the universe’s deadliest monsters.Don't miss this action-packed blend of LitRPG Apocalypse and Xianxia perfect for fans of Defiance of the Fall, The Primal Hunter, and Road to Mastery!