In a world ruled by capitalism, man had taken over all other existing races.
Even though they did not possess any supernatural powers like the Elves and their magic related to nature, the Spirits and their close connection with the elements, or the Vampire and their physique significantly superior to that of humans and their blood magic, they were significantly superior technologically, which gave them a huge advantage during the invasion of these new races on planet Earth. They had absolutely no idea of seeing such destructive and massively lethal weapons, such as nuclear bombs.
Despite the fact that all the races had started on the wrong foot, they managed to find common ground between them. Based on a mutual coexistence on the same planet, they managed to live in harmony thanks to the many exchanges they made between them, whether economically or physically.
However, with all the new resources that humans had managed to put their hands on, they still managed to stay at the top of the food chain. Even if this created disagreement between the races, there was absolutely nothing they could do. Humans only had to press one button to decimate an entire race.
Moreover, with all these new resources, men managed to exploit more and more of the natural resources of the Earth itself, gradually emptying it of its vital energy. Despite the warning of the Elves and Spirits, the Humans decided not to listen to them. What could an inferior race even know? That's what men at the head of the human race said to themselves.
Thus, driven by their greed, men drained the very last natural life form from the Earth, resulting in its immediate destruction. However, a higher authority, even superior to the Gods, had been lenient enough to give all the races a second chance, sending them all to another planet called Hydrel, and giving them new powers so that they could not repeat the same mistakes as the first time.