C146 Does it count as a promise

After Ah Cheng had killed them, the few men under his command who were controlled by Tang Wenhao, other than Ah Hai who had been executed in anger, had all been sent out of the Death Valley by Ruan Ling. Originally, they had wanted to cut off their roots and kill them all, but in the end, Ruan Ling did not have the heart to kill them.

In this incident