Dragon Ball execution: the tale of two unparalleled warriors

There was once a warrior of universe 13, created by the god of destruction and the Kai. When given an order he fulfilled it flawlessly. This man's name was X. Known in legend as the Executioner, many feared him but people mostly considered as an old tale like the grim reaper. But he was very real. People would wake up to eventually find out someone hide mysteriously died. The man eventually was given an order to kill a pink haired saiyan girl who then escaped but was hunted down by X and her own kind. Years later they fought. Battle led them through universes amd even other dimensions. Then they parted ways acknowledging each other as warriors. Thousands of years past. Now here we are. X has awoken to finally fulfill the order he was given so long ago.