Assassins were an ancient profession passed down from a lineage dating back to antiquity.
This profession had been born of historical necessity. It was said that there was once a Sovereign whose temperament changed drastically during his reign. Brutal and cruel, he treated his people like grass and weeds, bullying and slaughtering them at will.
Yet he understood where his foundations lay. He treated his trusted subordinates generously and showed great courtesy to the upper ranks and noble families.
Thus, though this tyrant incurred the resentment of all under heaven, he still sat firmly upon the throne of the common ruler of the realm.
The Martial Saint of that era could not bear to watch, yet could not personally step in to punish him. So he secretly trained a youth named "Cai," one of the tyrant's victims.
Cai's father had been the tyrant's Imperial Tailor. Because of a single loose thread on an imperial robe, his entire family had been executed, with only him escaping.
The youth harbored a towering hatred for the tyrant. Driven by that hatred, he learned ninety percent of the Martial Saint's abilities.
Though he had failed to become a Martial Saint, he had mastered supreme combat power beneath the Martial Saint realm, with few rivals in the world.
Cai was a step in garment-making, meaning to trim the edges of cloth flat. Yet this ancestor of assassins had carried the word forward, turning it into a byword that made every Sovereign tremble in fear.
Wherever there was injustice, the sharp blade would shear it away. It did not cut cloth; it passed judgment upon cruel and inhumane rulers.
"Isn't this the Heavenly Sword? Specifically made to counter the Dragon Slaying Saber?"
When Zhou You heard the tale of the assassin lineage of Cai, he could