C413 The Undying Underworld King's Martial Will(2)

Gu Ning even hoped to extrapolate the second sword technique, but even if he had the time to speed up and become one with nature, creating his own sword technique wasn't that simple.

It was already an incredible result to be able to reach the 50th level on the 50th level. Gu Ning could choose to leave the Heaven Connecting Tower, but he still chose to continue challenging