The mysterious coins from ancient time that were told to be held the power of beasts when they were being unleashed. Some certain people were looking for these to gain its power for their own purposes. Most of them were actually wanted to be the strongest to rule the world. One by one, they had got that power from their hunting in such ruins of the historical places or some caves in the mysterious jungle. Even so the coin itself, didn't just unleashed its power unless the person who weild it was met the certain required of its beast, in other words, only the chosen one who could use the power of beast of the coin. If they weren't met the required or weren't chosen, they would died as they were trying to use it, or in other case, the beast would possessed those people untill they died cause of dried out their life force.