Chapter 52: Chapter 50 Sinister Intent! Poisoning the Water Source!_1

```

"Is this... could it be because an animal died in Black Iron Lake and caused the illness?"

Mo Tie looked at the corpse of the rat on the ground.

An animal carcass rotting in the water source indeed had a certain probability of causing sickness in those who drank from it.

However, Su Changkong frowned and said in thought, "Logically speaking... if the corpse of this rat was immersed in water, it should have floated to the surface, but Uncle Zhang found this rat at the bottom of the lake..."

Upon hearing this, Mo Tie immediately narrowed his eyes, drew the knife from his waist, and forcefully slashed at the swollen rat corpse on the ground, cutting it into two halves.

Inside the split rat's abdomen were its rotten innards, and beyond that, there were several black objects.

"Are these... stones?"

Zhang Shu poked with a stick and said.