Eruptor Meets the Nightmare King is the seventh book in the ongoing Mask of Power series of illustrated original novels set in the Skylanders universe. In this installment, Eruptor makes a chilling discovery when he meets his own double frozen in ice! What starts as a cold snap leads to a red-hot adventure, as the Skylanders come face to face with the Nightmare King. The secrets of the Mask of Power unfold further as the series approaches its thrilling conclusion.