C456 Si Yin Ding

Ying Zui had been in seclusion for eighty years, but his cultivation base hadn't improved at all. His knowledge had reached a bottleneck, and his understanding of this world had reached its end.

Helpless, Ying Zui could only exit seclusion and head to the Pill Pavilion.

Although he didn't know why the spirit of the Heavenly Dao had come, he knew that it wasn't a good thing