The Black Vale (The Shadows of Cro)

Amalee Allaciah's new roommate eats people... Only a few weeks ago she was living a life of luxury in a castle with the royal family of Elentra. But that ended the day she manifested as a Thell - a Mage of Chaos. Now, to keep from being hunted down and killed by the Ora - Mages of Order - she must survive nine months in the last haven for Thell; a dark and cold training academy full of intrigue and violence that houses a dangerous secret that will force Amalee and her savage roommate to rely on each other in order to survive.