The Eternal Darkness is the stunning conclusion to the Jake Thomas Trilogy. Having freed the Guardian's sword from the demons' control, Jake and Hailyn must now find a way back to the Keep, where Tomaris waits to use the power of the sword to attempt to send Jake home. Torn between his love for Hailyn and his concern for his family, Jake must decide whether to stay with her or return to Earth. In Sanduas, Jonas advises Keria as she adjusts to her new role as Queen in the aftermath of the battle. Despite Keria's support, Marcus must contend with the other nobles over his family's role in the failed coup. His mission complete, Dominic returns to Sanduas following the demons' attack on the capital in Aletonia. Having defeated his rival and freed the woman he loves, Moshanna journeys to the Keep to resume his duties. Unknown to them all, the demon lord, stung by his recent setbacks, unleashes his dark forces to retake the sword and end any resistance to his rule, once and for all.