The catch inspired my entry: Persistence will eventually lead to invincibility.

In a world where martial arts hold the key to power and destiny is a determining factor, Chen Shi finds himself reincarnated as a humble fisherman on the shores of the Fallen Dragon Marsh. Despite facing oppression from a local gang and the threat of water monsters, Chen Shi discovers a unique ability that allows him to increase his abilities with each catch, even granting him the power to protect the destiny of the marsh. Unlike ordinary cultivators who toil to master martial arts, Chen Shi's path to strength lies in his fishing, where he catches the Xuanlin Treasure Fish, gaining the ability to control water. As he explores the marshes, he masters secret water manipulation techniques and raises fish eagles and spirit birds, collecting the destinies of the marsh. Over time, Chen Shi rises from his humble beginnings as a fisherman to become the ruler of the marshes under his jurisdiction, his legend growing as a master of the water and a savior of the land.