Mordecai. The Riven Gates, #1

Years have passed since the last of the Dark Gods was defeated, and Lothion has entered an age of peace and prosperity. Mordecai's oldest children have already begun to make a place for themselves, and his youngest are on the cusp of adulthood. By every outward measure, his life has been a success; he has earned his reward. However, Tyrion, the first wizard and brutal liberator of mankind, has returned with an agenda of his own, and dark things continue to stir at the edges of civilization, threatening to undo Mordecai's accomplishments.
He must meet the expectations of his queen, his family, and his people, all while finding a way to protect them from the ancient enemy of the She'Har, but his greatest challenge may be dealing with the lingering darkness that is growing within his own heart.