The Demon Lord Is a Wish-Granting God

She was the only female goddess of calamity under heaven, slumbering in the void, until one day someone swore an oath to her. A framed female general, an underestimated female cultivator, a weak and incompetent female emperor... How interesting. As long as you can give her what she wants, she will grant your wish. Those who are about to face vengeance have no idea what kind of goddess of calamity awaits them. But how did the mighty Demon King end up as a wish-granting deity?