Eldest prince Xander Chase, feared by Emperor Chase, was framed for treason and demoted. He activated the Divine Sign-in System, becoming Earthly Immortal. As Sir Xander, he gained power, recruited Luna Blair and Lila Yates, exposed Rex Chase and Zane Chase's Nether Sect conspiracy, quelled Sun Worshippers and Frozen Demon Disaster, slew demon lords, solved the Yang family massacre, supported Felicity Chase to the throne, and sealed the Demon Realm.