Crystal Casters: Mirror Realm (The Crystal Casters Series)

Zorin had hoped Mergan's imprisonment in the Mirror Realm would set him free, but her presence pervades everything, even his mind. Every day that passes, her taunts and control strengthen, testing his newly realized feelings for Cyndra. Although the island has been a refuge, he must convince Cyndra and Rune to leave, once again, to find the remaining casters on the mainland before it's too late.Cyndra's growing elemental powers continue to test her bond with Zorin, making it difficult to stay on their mission to save everyone stuck in the mirror. Old friends and new memories help Cyndra come to terms with her traumatic past, but when Zorin is trapped in the very prison he has protected for twenty-five years, Cyndra will sacrifice everything to save him and heal the world.