Spirit Chasing Sword

In body cultivation, one trained the skin, tempered the bones, refined the tendons and fascia, cultivated the blood, tempered the organs... No matter what one cultivated, bone tempering was the most important.

Bones were the hardest part of the human body. No matter how powerful or tough the muscles became, or how much endurance the internal organs gained, they could not compare to the strength of bones.

Bones were the framework of the human body. Without their support, the flesh would be nothing but a puddle of mud.

Bones lay deepest within the body, at its very core. With flesh in the way, cultivating them produced no obvious effects. That was precisely why Spirit Emperor Marrow Cleansing Liquid, which could temper bones, was so precious.

Spirit Emperor Marrow Cleansing Liquid tempered bones beginning from the marrow, altering the cellular structure of the entire bone to make it denser, harder, and more resilient. The human body had 6 bones; tempering each one required complete concentration, lest something go wrong. Yet the youth was tempering every bone in his body at once, and he seemed to have no problems whatsoever. Even Black Bear, who had seen much of the world, found it unbelievable and was nearly dumbstruck.

He simply was not human—a freak among freaks!

Otherwise, how could he use Spirit Emperor Marrow Cleansing Liquid even better than Black Bear had the first time he encountered it?

Buzz!

The violent spiritual energy persisted for over an hour before gradually weakening around Nie Yun.

Huff!

Nie Yun exhaled, lowered his head to inspect himself internally, and his eyes grew brighter and brighter.

Though only an hour had passed, the changes in his body had already surpassed imagination. Every bone in his body had turned golden, dazzling and incomparably hard. Judging by their toughness,