the empty demigod straightened his suit and sat down in the first high-backed chair on the left.,he told the demigod all about the details of the struggle for ideas, the "status of rivers and lakes" of the three sources of the sun, the moon and the stars, the history of ancient practitioners, the evolution of the spiritual realm over thousands of years, and the problems of the third region.,when the demigod quieted down, Zhang Yuanqing said:。