Drew Karpyshyn 
Children of Fire [EPUB ebook] 
(The Chaos Born 1)

For centuries after a devastating battle between the immortals, humanity has been protected from the Chaos realm by an invisible barrier known as the Legacy.But sealed behind the weakening barrier, the traitor Daemron makes one last, desperate bid for freedom: he casts his most deadly spell and curses four unsuspecting children.Born under the Blood Moon, they are destined to wield Daemron s talismans of power, to either save the barrier or bring it crashing down