zero was had a bad childhood his human mother died when she gave birth to him as she was not the first wife of his father the dragon secrt leader (nox )and for that reason he was always bullyed and lived with his ant and afther just like that many more years have past he was the new sect leader untile he was attacked and killed by the rest of the other 4 great sect leaders for the treasure that his grandfather (the sky dimonic dragon left and just )as he was about to to die he heard a voise form the treasure that said:anther opportunity and than and with out him knowing he was reborn on earth afther 500k in Japan as the son of another normal couple 

 zero wanted 3 things:

-revenge
-power
-freedom

Chapter 1 - Reborn