"Milk, aren't you going to sleep at all?" Rong asked after he got sick of staring into the distant forest for a while. The rest continued sleeping soundly since part of their training included forcing themselves to sleep.
The Demon Exorcists under Grandma Yuan had to go through rigorous training, with multiple lessons where they had to learn to sleep despite any noise and sense of danger, entrusting their lives to the people that were guarding the place.
In one such scenario, they were placed in the middle of a military training exercise where live artillery shells were fired at a constant pace, and the demon exorcists had to take turns to maintain the shield as the others rested.
Some people might think it was absurd. If it was dangerous, why stay in that area instead of looking for a more safe place to rest. But Grandma Yuan who had taken part in the World War before begged to differ.
Sometimes there were no safe places…