After their parents are killed, twins Kael and Brenna Skyborn become Seraphim, aerial soldiers who use ice, fire, stone, and lightning as their weapons, as they prepare to fight in the brutal civil war occuring on the islands floating above the Endless Ocean.
After their parents are killed, twins Kael and Brenna Skyborn become Seraphim, aerial soldiers who use ice, fire, stone, and lightning as their weapons, as they prepare to fight in the brutal civil war occuring on the islands floating above the Endless Ocean.
