♂? Devil's physical training
Accept the devil's physical training that was not available in prehistoric times.
♂? Public security system knowledge
Received training in public security system knowledge.
Psychological pressure
Late at night, I was in a hurry to urinate, but I was afraid to step out of the dormitory threshold. The day was spent in fear and destruction.
A bloody scene
All prisoners were forced to watch chilling and heartbreaking documentaries in the classroom, and the bloody scenes made every student flinch.