Children of snakes, children of wolves

The final part "Children of the Serpent, the children of the wolves" trilogy of Janina Volkova.

Troubles have come in the House of Winter. Northerners cannot decide who are destined to become the next horseman. They require a duel where the blood of the unworthy will spill.
But Renayst is returning home. She went a long way, overcoming the sands gold and cold water, and is ready to take the throne.
However, the Vikings will not calm down until he proves the heiress that he is worthy of his title.
Nobody in battle compare with the White Luna, but only the enemy will be the one in whose veins her blood flows ...

The struggle for power, magic, ancient prophecy, the confrontation of light and darkness is a worthy end in the series "Children of the Gods"