I STAYED AT HOME FOR A CENTURY, WHEN I EMERGED I WAS INVINCIBLE

Chu Xuan travels through time and becomes a young master of a powerful family in a fantasy world. Because of a small mistake, he is banished from the ancestral house and driven to a remote cottage. However, he does not care because he has access to a system that makes him stronger as he spends more time at home. After having been home for a day, he is rewarded with the Indestructible Body Technique. After having been home for a year, he is rewarded with the Jade Void Sutra and a century of cultivation accomplishment. Nobody can make him go out. He will stay here for good!(Source: Webnovel) — Description from AniList community (anilist.co).