Rise of the Undead Legion - Chapter 511 - Two Men Army.

... harder for Dave and his troops. It would be far more beneficial for the company to stay together.

"I need five men to stay watch, the rest of you get some rest. Sleep if you can. We'll need all the energy we can get." Dave said.

Five samurais volunteered to stay up and be on guard duty, the rest made sure that the moment their heads hit the ground, they were already asleep, a technique developed in times of war, to help the body rest in preparation for an upcoming battle. < ...