C3338 Underground World

Haoshui Longzi used 68 years to make the most primitive instruments. In the following seven years, he successfully predicted six heavy rains, two lasts for 40 days, and a drought.

These small disasters were nothing to the Kingdom of the Sage, and Haoshui Longzi and his Yi didn't get any attention from the sages. In fact, there were many machines like Yi Yi that could predict small disasters