Guess, Who Am I?

He grinned. "Exterminating an entire family is the same! Starting with concentrated and detailed attacks from various aspects, attacking the mental fortitude of this family in waves. Let them slowly break down on their own to the very end. Even though they had the strength to take a shot, they'll lose it because of extreme shock and distress… because their minds have already thoroughly broken down! This is the highest realm of an assassin!"

The person who said this was definitely not some senior figure of the three Holy Lands anymores. He was worse than those so-called demons. In fact, this fellow was a vicious demon; he used to be notorious in the past for a period of time. This 'Slaughterer of Thousand Souls' Wang Weiran—hundreds of years ago, this was a name that could terrorize children to stop them from crying.