House of Hades Fanfiction (completed)

The five demigods of the prophecy aboard the Argo 2 must sail to the Doors of Death and close them before Gaia wakes. Even with Nico and Coach Hedge's help, can they succeed? What about Percy and Annabeth, stuck in Tartarus? And what awaits Camp Half-Blood? My fanfiction of the House of Hades.