245 million years ago. The Iniquitous Period. A moment in time, where the most cold-hearted, the most courageous and vicious beasts to ever step foot on this planet. That all ended when an astroid hit earth.10 to 15 kilometers in diametre. The impact released the energy equivalent to 100 teratons of TNT. Just like that, evolutions ultimate creations had been wiped out. However, their souls remained, and their conscious roamed as usual.
Everything was fine until humans got smart.