C1799 The Enemy of the Enemy Is a Friend
Ye Hong wasn't agonizing over the so-called great calamity. Having been through so much and gathering ample intelligence, he had already formed some conjectures about it. Ge Dan's account, coming from someone who had lived through the calamity, simply filled in many details for Ye Hong.
What truly vexed Ye Hong was the information Ge Dan had let slip, particularly about Diwu Qinglan's origins