***ALL RIGHTS GO TO RICK RIORDAN*** WARNING!!! DO NOT READ IF YOU HAVE NOT READ THE MARK OF ATHENA!!! CONTAINS SPOILERS!!! Percy and Annabeth are in Tartarus. Nico is charged with bringing the remainder of the seven to the mortal Doors of Death in Greece. Together, they will have to work and close the doors from both sides, mortal and the Underworld. At the same time, the legion of Camp Jupiter marches to Camp Half-Blood, looking for vengeance. Will the Greeks survive? Will Percy and Annabeth survive Tartarus? Will the Doors of Death be closed? Read on to find out!