Craesti City

Craesti City is the Fourth book in the Elemental Gatherers series by Chris Vines.

Blurb
Beast waves, Chaos cultists, new Primordials rising. The world has gone crazy. A tournament has been called to find new champions. Aiden and his team must compete in Craesti City, the capital of their kingdom, to earn the right to journey to Monster Island for a multinational competition. Can Aiden rise to become the true chosen one, or will he fall into obscurity and failure?