Poor Ge Kai

Soon they collected, and were able to test, samples of urine from a dozen cultivators and found it to contain a specific chemical substance.

It was similar to poppy but stronger.

When plants had been treated with this, they produced large yields, and also could resist weed growth.

This result sounded very far-fetched, but the actual result was much more real.

Next, they began to extract the essence from Zhang Jian's urine. They were surprised that it contained a bitter anesthetic, indicating that Zhang Jian was very tolerant. Second, they removed the material from Zhang Jian's urine. And finally, they planted the "toxic element" from Zhang Jian's urine in his rice. The rice in the village showed signs of being "poisonous", but when cultivators ate it, their bodies reacted.