Gem of Life (Dragon Fire Prophecy Book 4)

"Xion continues to try to save the world. Warren fights an even more terrifying battle. Xion joins the dragon rebellion, just in time for the war to spread. Xion must decide between following orders and trying to save everyone. An unexpected ally, and unforeseen adversaries make Xion's journey without his usual companions his most dangerous yet. Meanwhile, Warren deals with the effects of using blood magic. He and Ari are joined by Sapphire and Xara. They discover a lost civilization, they search for the last dragon fire gem, and tension rises amongst the group.When the dragon war begins, with Xion separated from his friends, can the Chosen Companions survive? Or will someone fall to Darkness?"--Provided by publisher.