Age of the Five - Book 2, Last of the Wilds

Although the architect of the White's victory, Auraya's first taste of war has left her sleep filled with nightmares. She walks in fields of blood while the dead rise in accusation. You killed us. You. It seems Auraya will know no peace while these nightmares haunt her, but the only one she trusts to help has vanished. The Dreamweaver, Leiard, still struggling to come to terms with the ever more powerful memories of the long-dead Mirar, flees into the mountains with Emerahl, perhaps the last of the Wilds.
Although not a Dreamweaver herself, Emerahl is powerfully gifted, and helps Leiard to make sense of his strange jumble of memories. What they discover will change his life forever. And far to the south, the Pentadrians lick their wounds and set about finding a new leader. Peace, it seems, must wait a while yet ...