The Mohist School's predicament could ultimately be traced back to the fall of its founding patriarch.
This great being, who attained the Dao in the Middle Antiquity Era, came an era later than the Confucian Patriarch and the Legalist Patriarch. The doctrine They founded once spread throughout the land, overwhelming Confucianism and Legalism alike. It reached its zenith in the Era of All Sages, when there was a saying: "Of ten books, seven were Mohist."
Even now, it still profoundly shaped the lives of the Human Race.
Even those who were not Mohist disciples understood, more or less, some Mohist thought and knew the greatness of the Mohist School.
No one knew how the Mohist patriarch had fallen. It remained a mystery to this day. Only, one day, people suddenly could no longer feel Their power.
Their ideas were still being expounded, Their wisdom was still being passed down, and Their spirit was still looked up to.
But They no longer existed.
That had happened before the new beginning of the Dao Calendar. Yet there had never been a definite answer as to precisely when the Mohist patriarch fell. Perhaps even the Mohist School itself did not know... In any case, it happened in the Recent Antiquity Era, after the Era of All Sages and before the Era of One Truth.
The Mohist School had kept this news hidden until the new beginning of the Dao Calendar, when it could no longer be concealed.
In that great war which had nearly extinguished all heavens and myriad worlds, the Mohist patriarch never appeared. Unable to defend Their ideas, unable to protect Their legacy, unable to shoulder responsibility, Their death was finally confirmed.
Though the Mohist School was a prominent school of thought in the present age, laboring for the benefit of