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

In this world, martial arts are the foundation, and destiny is the basis. Chen Shi transmigrated here and became a fisherman on the shores of the Fallen Dragon Marsh. He suffered oppression from a local gang and was haunted by water monsters seeking his life. Fortunately, he awakened the [Fishing and Hunting in Myriad Marshes] ability, unlocking new attributes with each catch and even guarding the destiny of a particular marsh! While ordinary people toil to cultivate martial arts, Chen Shi only needs to cast his net to fish to become stronger. He catches the Xuanlin Treasure Fish, gaining the power to control water. He hunts exotic beasts in the marshes, mastering secret water manipulation techniques. He raises fish eagles and spirit birds, gathering the destiny of the marsh. ... Many years later, Chen Shi has risen from a lowly fisherman to the [True Lord of the Rivers], ruling over all the marshes under his jurisdiction! [Also known as]: *From Fishing and Hunting to Destiny: A Sainthood* [Ancient writing style, this is the authentic flavor!]