The sun's devices - Rebecca Levene

Book 3 of the outstanding The Hollow Gods series

In the aftermath of the shattering of Mirror Town, Krish has taken his rightful place as heir to the kingdom of Ashanesland, with his friends and allies ruling by his side. He's turned his back on his divine birthright and set out to bring unity to the warring tribes and nations as no more than a man.

The mysterious land once known as the Eternal Empire has opened its borders at last, and invited Krish to take his place as part of its ruling Triumvirate. But there are plots within plots in the country that once worshipped his sister, the sun, and now hates all gods.

Because the sun goddess been made flesh once again and is determined to end the ancient conflict with her brother's final defeat. And there are strange and new gods stirring in the lands - while some search for a weapon that could destroy them all.