"The Yinyang Sect is a first-rate force, located in the 'inland' region just across the 'Weak Water River' on our side... The 'flying boats' traveling from our North Ridge Land to the inland belong to the Yinyang Sect, and there is one every three days," Lu Rui said to Duan Lingtian.
As for what a "flying boat" was, he did not explain, because he believed that the Elder Duan before him certainly knew.
Flying boats had existed on the Yunxiao Continent for over ten thousand years.
Chapter 1112