Fishing in the Heavens: I Use Fishing to Prove the Tao and Become an Immortal

I discovered that the practice system of this world is centered on "fishing": the spiritual energy of heaven and earth condenses into "spiritual fish" Hidden in rivers, lakes, seas, and secret realms of the void, practitioners use "fishing rods" as tools, "bait" as guides, and "state of mind" as threads. Catch a spiritual fish and absorb its spiritual power to break through the realm. The boy's belongings before traveling through time are actually related to the ten thousand year old Tian Qing...