C1134 Trapped in the Tomb

After realizing that they were trapped, we all panicked. However, I quickly reacted and turned my head to look at the surrounding walls. In my impression, arrows would usually shoot out from the walls at this time.

However, when I looked, I didn't see anything. What was going on? Could it be that this mechanism was only used to trap people inside and kill them?

The more I thought about it