C314 Crisis Occurrence
Although this didn't cover them from the wind, Shi Ting was afraid of a wild beast coming out of the wilderness in the middle of the night. Plugging in a circle like this also served as a warning, plus the deterrence from fire, he hoped they would be able to survive the night.
Shi Ting had been able to sleep soundly in the cave, so he didn't dare to sleep soundly here. Thus