"So the truth was actually this: the outstanding heir of the Clear Sky Sect was deceived by a humanoid soul beast, mated with her, and fathered a child, violating the moral order."
"Our Spirit Hall's Pope led a party to persuade him to abandon evil and return to the right path, but Tang Hao conspired with the humanoid soul beast, feigned agreement, then struck treacherously! Our Spirit Hall's Pope was left gravely wounded and near death, and several elders were killed!
"For raising such a monstrous traitor, the Clear Sky Sect cannot escape blame. Therefore, I shall wipe out every last member of the Clear Sky Sect!"
Put bluntly, my fists are bigger than yours, and Tang San has already been born. Your Clear Sky Sect serves no purpose now, and you've handed me a weapon to use against you. Wiping you out is perfectly reasonable.
After all, Qian Chongling was no gentleman with knightly bearing like Qian Daoliu. He was a petty old fossil who would repay even the smallest slight.
Hearing this, Qian Daoliu could not help agreeing inwardly. Yes, perfectly reasonable and lawful, too. As expected of Great-Great-Grandfather.
"Wait, wouldn't that make me a man who breaks his word?"
On second thought, Qian Daoliu suddenly realized that there was indeed nothing wrong with Qian Chongling's argument. However, the Clear Sky Sect knew about his agreement with Tang Chen. In the eyes of its disciples, he would surely be a filthy gutter of a man who went back on his word.
I can still salvage this. With that thought, Qian Daoliu cautiously asked Qian Chongling, "Great-Great-Grandfather, I made an agreement with Tang Chen back then that, beginning with me, no one from Spirit Hall would set foot in the Clear Sky Sect. What should we do about that