Yin-Yang Profound Insight Pill

Having understood the reason, Chen Nianzhi now had a clear idea of how to refine the treasure pill.

He took out the two supreme treasures, the Pure Yang Fruit and the Pure Yin Flower, and began the refinement.

Considering the medicinal nature of the Pure Yin Flower, he did not even use the earthfire of the Infernal Flame Sea. He relied solely on his abundant Chaotic Origin mana and powerful soul force to extract the medicinal properties of the two treasures.

Without the taint of mortal fire, the refinement was already quite taxing. Without the aid of sixth-rank earthfire, however, it merely took much longer.

Fortunately, Chen Nianzhi's soul force was incomparably powerful, and this pill did not require the handling of thousands upon thousands of supplementary ingredients. Its refinement was not overly complicated.

Time flew by, and after nineteen years, Chen Nianzhi finally completed the refinement of this batch of treasure pills.

"It's done."

On this day, four radiant treasure pills flew out from the pill furnace in succession.

A hazy Yin-Yang Mystic Light bloomed upon the spiritual pills, covered in Dao patterns of Yin-Yang cloud qi, carrying an extraordinary and mystical aura of Chaotic Origin unity.

"This treasure pill..."

The instant he saw the pills, Chen Nianzhi's heart settled slightly, and a trace of delight appeared on his face.

The treasure pill before him had been refined from two Yin-Yang supreme treasures. It was formed by the convergence of Yin-Yang qi and contained an extraordinary divine nature of Chaotic Origin unity.

It could be said that this was neither a treasure pill of the mortal realm nor an object of the netherworld. It was a Chaotic Origin immortal pill that transcended both realms, something that could likely only be found in the Immortal Realm.

"This pill was jointly