Pokémon Realities

The Kessho Region is home to a crystal known as the reality crystal. This crystal was said to be a gift from the gods for humanity to use to grow and prosper. One day a wish was made to bring prosperity and expansion to the region, and the wish was granted. However, due to the great magnitude of the wish, a great calamity struck the region, expanding it into 6 different islands with each having origins from their own realties. After such a massive wish was made, the crystal exploded and shattered itself into tiny shards, scattering itself until it could fully restore its power. In the present day, all 6 lands have come together, stemming from the primitive age, medieval age, modern age, and even ages of flying cars and magic! However, as of recent years, an organization has been on the move for the crystal shards, what are their goals? Perhaps it to create a new world using the crystal's power, or the destruction of life itself...