"What a pity!"
After an unknown amount of time, Nie Yun, who had been sitting before the Heart of the Cave Mansion, finally stood up.
Refining the Heart of the Cave Mansion not only allowed him to take possession of the entire Zihua Cave Mansion but also tempered his soul. After this period of tempering, Nie Yun had originally thought he could break through the chains of the Qi Sea Level and reach the Spirit Level. But now, it seemed he had underestimated the difficulty of achieving a Spirit Level soul. No matter what he did, he was just a hair's breadth away, lacking the final opportunity for a breakthrough.
'Although my soul didn't reach the Spirit Level, I've completely refined the Heart of the Cave Mansion!'
He looked down at the heart-shaped piece of jade before him. With a thought, he absorbed it into his body.
