Percy, Leo, Thalia, Nico, Jason, piper and Annabeth are sent to bring a demigod to CHB, but they have to pretend to be exchange students at Hogwarts, what will happen when _______ is awakened, and __________is reborn? Will they survive?! Sapphire was invited to Hogwarts. What happens when she meets Percy and the others and they caught her training. Little did sapphire know that because of this her life will change for the better. Read to find out what happens to Sapphire.