Books with title Charms of the Feykin

To make a champion fall, one must wound their very soul.Nyx is leading the charge to rescue Delvin and Sari, who have gone missing in the southern jungles of Windemere. Battling through the local predators, the champions are surprised when they reunite in the Feykin city of Rhundar. Instead of captives, the missing heroes have become the city’s rulers and are on the verge of starting a war with those that want to exterminate their new followers. Even with such a noble cause, Delvin and Sari have changed into brutal warlords that may kill each other and their friends long before they step onto the battlefield.Have Delvin and Sari really changed for the worst or is there a greater threat pulling the champions’ strings?