บท 313: Imprisonment Divine Tower

After that, Ye Xuan taught his disciples alchemy, artifact refining, and formation mastery.

Of course, the most important thing was formation mastery.

He had to become skilled enough to conceal the heavenly phenomena that would occur when Shangguan Wan'er awakened her Undying Xuan Huang sword physique, as well as from the resulting higher-level special constitution he would obtain from the system. 

Ye Xuan smiled and continued, "I promised you that I would give you the Tower of Heaven when the time was right!"

"Today is the most suitable time!"

Hearing this, Shangguan Wan 'er's eyes lit up.

As soon as he finished speaking, Ye Xuan's spiritual sense swept out and covered every inch of the Tower of Heaven.

Soon, the Tower of Heaven rippled with layers of mysterious fluctuations, which then condensed into a mark that glowed with brilliant light.