Ever since Jiang Yi decided to kill You Tianni, he had already planned for the worst.
There were things that men ought to do; there were things that men should never do.
Just as he himself had said—if he didn't kill try to kill You Tianni and allowed You Tianni to escape back to the Demon-Buster Army camp, would his petition and report be effective? You Tianni would still be living life to its fullest; no one would be able to touch him.
Although it was said that even ten years was not too late for taking revenge, Jiang Yi was never the type of person who could hold it in for so long. Since he had decided to kill You Tianni, he would not care about the consequences; he would act first and face the music later!