Saga of the Monster Kingdom

Few hundred years before the fall of their empire, some alien race appeared on earth and this “human” conquerors claimed every part of the living plane. Humans built empires, domesticated animals, cultured the land, even conquered the waters and sailed to all three continents. They took everything they saw function in them and leave the other to perish. There was one other being derived from the will of the earth after this alien invasion. They called them “monsters” and hunted them for sport. After a relatively short period of terror, the humans saw the potential of these monsters, mostly of their bodies with unique features. That was the beginning of the age of adventurers. The society became more stable and hunting monsters became an occupation. Different races build their own societies within the empire. And “everyone” lived in prosper. Until one day. One day the humans vanished from the surface of the earth without a trace. The races began to fight with each other more violently than before to claim the fallen empire. The Great War overshadowed the whole world like an invisible dark cloth up in the sky. Until the most unexpected kingdom has founded. This is the epic saga of that kingdom.