Strayborn: Draev Guardians

Cyrus Sole is half-human with weak wrists and a mean step-mom until the forbidden power to manipulate metal awakens inside her.
Aken is a Scourgeblood but all he really wants is to gain wings and be free. Until a new power awakens, changing his life.
The Draev Guardian Academy is their only sanctuary. But training to become a Draev won't be easy.