C342 Dark Night Startling Tower
This two-story building was easy to defend and hard to attack. If one wanted to go upstairs, one had to go up the stairs. Two guards with bows and arrows stood at the window, shooting people from above, leaving Hei and Bai behind. There was also another guard protecting them. It was absolutely safe.
As for Faang Linyu and I, we just need to guard the stairs