Demigods At Hogwarts

The seven plus Nico, Thalia and Calypso are going Hogwarts to protect the golden trio from the war that is coming. The combined forces from Gaea, Kronos and Voldemort are planning to attack Hogwarts and Camp Half-blood by the end of the year at Hogwarts. Read to find out what happens. A/N: I am horrible at description...