Wrath of the Usurped series

The Wrath of the Usurped series was a fanfiction series that took place on and following Titan's curse as three years pass and Nico's working with the dead has advanced his body to the physical age of sixteen, Cheimon returns when he hears that his lover Kronos is once again rising to face off against his Olympian Children, how powerful in secret has the Titan forces grown over the three years since the defeat of Atlas and the rising of the Titan Citadel on Mount Othrys.