Top-Tier Primordial Spirit

This time, when Yin Jiuli entered the Ancient Sword Abyss to cultivate, she had brought all manner of spiritual cultivation items and pills with her, including everything needed to undergo the tribulation for attaining a Primordial Spirit.

She had not originally planned to undergo her tribulation in the Ancient Sword Abyss. This was, after all, a Grotto-Heaven with its own unique spatial laws. In particular, no one knew what the endless sword intent buried deep within the abyss might transform into during a heavenly tribulation.

But after fifty years of dual cultivation with Gao Xian, under his guidance, she had truly refined the Two Aspects Yin-Yang Sword to its utmost limit.

This was not arrogance on her part. When Gao Xian and she cultivated together, they could often reach a state of returning against the flow to the innate and seeing Taiji anew. This was also the highest realm pursued by the Two Aspects Yin-Yang Sword Art.

Using the sword art's supreme realm to reflect upon herself, she had brought her sword intent and sword qi to a flawless state of consummation. It gave her boundless confidence that she could overcome even the most powerful heavenly tribulation.

For a Nascent Soul to attain a Primordial Spirit, the first hurdle was surviving the Heavenly Fire Tribulation. Only when the Nascent Soul had been tempered by heavenly fire, allowing the Nascent Soul and divine soul to truly merge, could it be called a Primordial Spirit.

Although Yin Jiuli had never undergone the Heavenly Fire Tribulation, she had witnessed fellow cultivators of her sect crossing it. Her sect also possessed numerous secret records and insights on tribulation-crossing left behind by their predecessors.

As she watched heavenly fire and the Sword Abyss's sword intent turn into a blazing sea of swords, Yin Jiuli remained