After exiting the Labyrinth of Souls, the students are sent to their houses to prepare for the new school year. Raih quickly learns Sunsuulyn Academy is unlike any school she imagined. Designed to prepare them for a life in the martial world, the houses are encouraged to raid each other while competing in the Academy games. Just before the start of term, the stone of heaven is stolen. The Dark Lords of the Hunt rage into the school demanding the stones return. Now, the students must negotiate their classes, the house rivalries, and find the lost Stone of Heaven.