Earth 2k

This happened 250 million years into the future. Major conflict destroyed countless lives and consume past knowledge and experiences. Now, with humanity at a crossroad, 9 survivor became the undisputed inheritor of this barren world. But even than it is not enough and they seek to destroy all to be the sole ruler of the planet and all of mankind.
After the 3rd world genocide, humanity is strip bare of technologies once more. Only 9 warriors made it back alive to change history forever.