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

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...