No Room for Improvement, No Way to Make it Better!

The first breath exhaled by a cultivator after stepping onto the path and crossing the boundaries of the transcendent was called "foul."

Foul qi.

Within a single breath lay the injuries, illnesses, decay, and even the foulest, most turbid vapors a human body had accumulated over the years.

An ordinary person who had not crossed the transcendent boundary and lacked spiritual power to protect their body need only accidentally inhale a wisp of it to be plagued by injuries and illness for the rest of their life at best; at worst, their five viscera would fail, their six bowels would rot away, and they would perish on the spot.

The cultivation methods of the Dharma Weapon Realm were crude. One had to rely on dharma weapons forged from spiritual treasures of heaven and earth, accumulating weapon qi before one could draw in spiritual energy and enter the Dao.

Even the finest cultivation methods in this realm were not particularly effective at cleansing one's innate foundation, so the foul qi they expelled was naturally nowhere near this terrifying.

But the Basic Qi Refining Formula was different. It was the optimal qi refining method, refined and perfected through the unceasing efforts of generation after generation of high-level cultivators.

Even the many qi refining methods passed down by Immortal Sects could only surpass it in certain specific aspects. Taken as a whole, however, they fell far short.

It was no exaggeration to say that the Basic Qi Refining Formula could even be considered the finest method for entering the Dao in the Great Profound Realm.

Its effect in cleansing one's innate foundation went without saying.

Unlike the children of the Human Race in the Great Profound Realm, who generally entered the Dao before the age of ten, Su Jian had only entered the