Fade Away: Realm of Lunareth and Solterris:

Skye has been barely surviving, lost in a fog of depression and apathy, when a ordinary night out with friends propels her into a new and bewildering world. Awakening in the majestic and mysterious castle of Lunareth, Skye discovers she has been summoned as one of the Guardians of the Realm, destined to protect the land from an encroaching darkness. But unlike the others, she possesses no elemental powers, only the title of Attendant to the Guardians.