About the story of a brave man being a potato for a thousand years and then the world was destroyed

Liu Ji was summoned to another world as a hero.
But his luck seemed to be bad, and he landed in the wilderness.
In order to survive, he turned into a potato without the ability to survive in the wild.
A potato growing in the wild.
Every day, it performs photosynthesis while absorbing nutrients from the earth.
It absorbs the spiritual energy of heaven and earth and gathers the essence of all things.
Then, it stayed in the soil for thousands of years.
As a result, because there was no hero, this unfortunate world was successfully destroyed.