The Emptiness - The Milana Legends, #4

As the temperature continues to drop on the world of Milana, Nani and her friends form a desperate plan to sneak into the Province of Kafar, where they hope to find the broken Pillar of Emptiness. Determined to end the cold and set things right in Kafar, Nani and her friends declare war on the Tarn. The Tarn have gone to great and terrible lengths to control Kafar, and Nani has yet to learn who her enemy truly is.
Can she discover what secret has kept the Tarn in power, or will it cost the B'nli their lives?