章 720: Chapter 350: Qian Ziyun Sacrifices Herself, Advances to the Nascent Soul's Perfection, the Realm of the True Spirit_5

If it weren't for the Fourth Stage Treasure Pill and the assistance of his Dao Companion, his cultivation speed would be incredibly slow.

"Now, the mana on my body is at least thirty percent more potent than before."

Zhou Sui sensed his own powerful Nascent Soul mana flowing through each meridian within his body, like a river, forming a flawless cycle. Every movement was like the Yangtze and Yellow rivers surging forward.

It was as if the mana within his body had transformed into a vast ocean.

Moreover, the pure Yin energy from Qian Ziyun was not completely absorbed this time.

Only a portion of it was assimilated.

After all, it was pure Yin energy from a God Transformation cultivator. The magnitude of the energy surpassed that of ordinary Fifth Stage pills.

Therefore, one can imagine the vastness of this energy.

"Is this Nascent Soul's Perfection?"