Chapter 1236: Torture

Just as Vladimir said — as

Difficulty and morale are inversely corresponding to each other — the more difficulties they meet, the lower the morale will be. Conversely, each difficulty that they overcome would boost morale by a significant amount too. 

After the method of using the drone to check on the sand dunes before driving past them worked, every one breathed a sigh of relief. They don't have to climb up the sand dunes on their tired breaths with their hands and knees in the sand anymore, and their moods lifted significantly. 

Even though the sun is still boiling and the heat is still unbearable, everyone's feeling much lighter.