The Seventh Magic: Book Three of The Artifacts of Power (Godsland Series 9)

Power's height approaches

Ancient threats are unleashed on the people of Godsland. A flood of comet light proves too much of a good thing can be deadly.
Humanity's endurance and ingenuity will be put to the ultimate test: survival.

The World of Godsland Young Adult Epic Fantasy Series includes:

The Dawning of Power trilogy (Bundle available)
Call of the Herald
Inherited Danger
Dragon Ore
The Balance of Power trilogy (Bundle available)
Regent
Feral
Regal
The Artifacts of Power trilogy (Bundle available soon)
The Fifth Magic
Dragonhold
The Seventh Magic