Trapped in his tomb, but alive, the God of Pain awaits his uleashing, said to be at the end of the world, he uses his only powers he can and calls to him 2 people, a man and a women to reliquish him from his prison. The man and the women, decieved by them thinking it a person trapped, go after to help the God of Pain unwittily and let him destroy the world
The Petty Kingdoms is a region consisting of hundreds of small states. Some are kingdoms, some are city states, some are large farming communities, some are duchesses and baronies and so on and so forth. Within a few miles the PCs might reach a new "country" with completely different rules and norms than the one they left behind. "What do you eat here? Humans ye say? Lets turn around fellas."