The kingdom of monsters was located at the border of the main universe.
In terms of land area and social system, this place was very close to the human countries in the real world.
There were all kinds of monsters in the kingdom that people imagined, from elves, goblins, dwarves in the magical system to aliens, predators, Terminators in the sci-fi system, and then to all kinds of ghosts in the East and West in the supernatural system ...
When it came to the diversity of races and beliefs, there was probably no other place in the world that could accommodate all races like the kingdom of monsters.
The monsters that lived here were also working, studying, and having fun every day. They would also get married, reproduce, pay taxes ...
