YA adventure fiction

Sambeth must win over the wary Gershoni tribe as well as the hostile queen of Aresisia.
The queen agrees to go up against the evil Earthborn for a price - one that will cost Sambeth dearly.

Sambeth vows to sacrifice everything to save the human race against the angelic hybrids - the Earthborn.

The Fallen One sends his terrifying son, Altor, to kill Noesh and take the city of Aresisia in one fell swoop. If Sambeth can stop him, humanity has a chance but the Fallen is the master of many machinations and the father of more than one, meancing Earthborn son.

Can Sambeth save the people or will they be the cause of thier own downfall?