1200 years after an apocalyptic event known as the Cataclysm, the Remnants of Ironhelm struggle to survive in a hostile world populated by horrifying creatures known as the inferi. Everything changes when one of the Great Enemies, a World-Eater, arrives and threatens to consume the planet. Now the Descendants must fight for everything they've known, battling the World-Eater and the inferi, while simultaneously fighting the darker parts of themselves.