Prodigium

Chase didn't mean to kill him. But he did. As a result, Chase's life turned to shambles. Guilt tore at his soul and manifested as a monsterProdigium. At first, it seemed a figment of his imagination. So with some help, he buried the beast deep inside. But that quickly changes when Chase is kidnapped at his high school, along with his friend Jake. The two are roped into a secret war between Manulins, creatures of unfathomable power. Such power manifests in humans as well. Chase is one such individual, with the added anomaly that he possesses multiple Manulin abilities called U-lins. Chase and Jake realize that they aren't being kidnapped. They're being recruited. Told that the enemy Guardians captured his family, Chase joins the Validus in their struggle for dominance.

But his past catches up with him.

Prodigium resurfaces to torment Chase. All the while, an old foe seeks vengeance against Chase. In order to save his family, Chase has to beat the Guardians and escape the war, all the while battling with his demons and his past.