In order to avoid the two old men fighting over the time of their great-grandchildren, Ye Jieye's family spent three days in the Mo Clan and three days in the Lu Clan. As a result, their hunting schedule for the Aurora Glaciers was shifted by one week, and they were prepared to go at any time.
As for Heavenly Guardian Mu Zang, he had been making frequent trips to the Ruins of Time location. Because the spatial door itself was surrounded by spell ruins that prevented it from opening, and because a large number of royal knights were constantly patrolling the area, Mu Zang would sit on a small hill and observe the closed spatial door.