The next day.
As the east slowly brightened with the rising sun, the darkness that had shrouded the land for a night was thoroughly broken.
Ye Chenfeng breathed in the chilly morning air as he practiced a vigorous set of boxing techniques on the vast Training Ground at the Sect.
Last night, Ye Chenfeng had lain in bed contemplating the black mass of energy within his Dantian, but no matter how much he studied, he couldn't uncover its nature. In the end, he concluded that the only time this black energy stirred was when he used the Ghost King Thirteen Needles. It seemed that this black mass had no impact on his body.