People got greedy for power, deciding to revive the God of fire. He burned villages and cities, not a care in the world. The chaos was uncontrollable, no one dared to try and fight back against a God capable of such destruction. People were dying and getting desperate for help so badly. The God of fire hated humans and the people felt they were being punished. They then decided to revive a different God to help them, you. They revived you to go against the God of fire and tame him.