In addition, another twenty-five Outer City personnel were arranged to guard on the outer wall, using a rotating shift system: every hour they could come into the duty room to rest, and every eight hours they could return to the Outer City.
Once the plan was finalized, Li Yu had Xiao Jun and the others come up and start taking turns on duty.
Li Yu then explained to Xiao Jun how to use the Mobile Switch Blade, making sure he understood under what circumstances it needed to be opened.
He also told him some precautions. Second Uncle, off to the side, wrote all of them down, then printed them out on a few sheets of paper and pasted them up in the duty room.
Standard operating procedures—what to do in each situation—were all written on them.
That way they didn't have to train everyone one by one anymore.
Seeing Xiao Jun and the others take over the positions from He An and the rest, Li Yu stared blankly through the curtain of rain.
The rainwater roared down.
