Chapter 139: Life Force Accelerates Growth, The Suspicious Mr. An

The next afternoon.

Xue Jing was practicing the daily Coiling Dragon Art and Armor Shaking Skill in the gym.

Among the Five Major Practices-corresponding to skin, flesh, tendons, bones, and blood-he was today working on the Armor Shaking Skill for 'Bone Training,' which also corresponded to 'Kidney Training' among the five organs. Strong kidneys lead to full bones, and vice versa.

Since the practice of the Armor Shaking Skill puts a great strain on the body, Xue Jing had to alternate it daily, practicing only one set of movements per day to allow ample rest and recovery time for his body.

Previously, Xue Jing had always done this, but today was different.

His lengthy breaths slowly steadied, and Xue Jing's whole skeleton continued to tremble violently, emitting a rumbling thunderous sound.

From an introspective view, his kidneys were constantly expanding and contracting, each time squeezing out some dark turbid substance, which was then swept away by the torrent of blood.