C520 What Grudges Did He Chou Have

After the wall was splashed with blood, a map appeared. Although it was blurry and difficult to distinguish, Xiao Xuan could immediately see the staircase and naturally associated it with a map.

As the blood seeped into the wall, it gradually dried up and the pattern would follow for an hour. On the mud wall, the blood was seeping through very quickly. Xiao Xuan stared at it intently