Half a clear breeze

Chu Xuan transmigrated to a fantasy world and became the young master of a powerful family. He was rebuked for misbehaving just because he sneezed during a banquet. As punishment, he was banished from the ancestral mansion and was relocated to a remote residence.
He did not mind the punishment at all. He just needed a spot that could allow him to be a shut-in. With the system that would allow him to grow stronger by being a shut-in, the longer he stayed indoors, the more powerful he became.
After being a shut-in for a day, he was rewarded with the Indestructible Body Technique.
After being a shut-in for a month, he was rewarded with the Immovable Mountain Technique.
After being a shut-in for a year, he was rewarded with the Yuxu Celestial Scripture and 100 years of cultivation.
After being a shut-in for 10 years, he was rewarded with the Chaotic Indestructible Body and the Bell of Chaos.
…
Chu Xuan declared, “No one can make me leave my home. I like being a shut-in!”

I Stayed At Home For A Century, When I Emerged I Was Invincible

After all, he had once been a Dao Creation realm expert and was a native of the Heavenly Sun World.

How could Chu Xuan, a guy who came from the chaos, compare to him in terms of knowledge of the Heavenly Sun World?

In terms of knowledge of the chaos, Lie Tian knew that he was inferior to Chu Xuan. However, he would not concede to Chu Xuan on his home turf.

"If I'm not wrong, you've encountered a life-and-death crisis and survived," Lie Tian looked at Xue Ping and said.

"Given your current level of talent, I would hazard that you have probably undergone nirvana twice or thrice."

Xue Ping was shocked. Now that he thought about it closely, after he encountered a life and death crisis, he realized that his cultivation speed had increased.

Even his understanding of cultivation techniques improved.

Nine Nirvana Heavenly Soul