Researching how to stop them, Z-one discovered a way to stop their power source: the Ener-D and the Planetary Pieces in people's hearts. Eventually, their Ener-D went out of control, creating an army of Meklord Emperors to destroy the human race. Z-one was a scientist from a time in which humanity used Ener-D to control and accelerate their own evolution but did so with greedy and selfish desires.

Z-one, alongside Aporia, Antinomy, and Paradox, having traveled back in time to alter history and prevent said future from happening by any means necessary, even if it means at the cost of the lives of innocents. He is a scientist who hails from a post-apocalyptic future where humanity is in a status of near-extinction, caused by the Meklord Emperors. He is responsible for many of the series' events, including the founding of Yliaster and the Zero Reverse incident. Z-one is the main antagonist of the 2008 season and the third installament of the Yu-Gi-Oh! franchise, Yu-Gi-Oh! 5Ds. ~ Z-one to Yusei at the start of their duel. Do you understand? The meaning of me being your God? And if a God decides to take a path of destruction, then no one shall defy it. However, that victory was only a means to call out the Ark Cradle.

You were orphaned, living in Satellite, and then rose up to the challenges in the WRGP. In order to change the future, Zero Reverse was caused and your lives were changed dramatically. everything has merely traveled along the rails that I have laid out. Yusei Fudo, though you may have come this far with the intention to cut open the future with your own power.

Temple of the king yugioh