C73 Prince of jinguo
When Yan Qing and Shi Xiu parted, they left behind three carrier pigeons. Third Madam wrote down Xie's intentions on a silk roll and sent a message to Liang Shan.
After all, in his own era, there were almost no pigeons left. If the pigeons were to be intercepted, or if they couldn't fly to Liang Shan