The marks look quite fresh, but that alone can't be the only basis for judgment, since all the rooms are brand-new, with no signs of human habitation whatsoever.
Xu Huo swept his gaze around the room and picked up the ceramic shards of the teapot scattered in the corner.
After walking for a while, he gradually summed up some patterns: apart from the first courtyard that can only be accessed from the main gate and where you're forbidden to turn back once the door is opened, in all other places, turning back is allowed only until you've passed through three courtyards—after the third, you can't retrace your steps. He took a flowerpot from the first room forbidden to turn back, a teacup from the second, and the teapot from the third... In subsequent rooms, he also took objects from different locations to mark his path.
