Reincarnated as a Pig, How Can One Cultivate Immortality Without a System?

Lin Xuanhe, the most powerful person in the lower realm of Lian Yuan, was stabbed in the back by his lover and died by self-destruction. When he opened his eyes again, he was reincarnated as a newborn piglet in a farm pig pen. Self-destruction opens up the upper realm passage with Chu Sheng to unlock the [Erosion] system Its core is [devour] - swallowing energy, swallowing spiritual energy, swallowing blood, swallowing magic weapons, swallowing laws... Even, swallowing the whole world! Starting from pig food and water, [Glutious Stomach] squeezes out the tiny energy; each time it evolves, add points to strengthen [Diamond Fangs], [Netherworld Shadow Escape], [Dharma Heaven Elephant Earth]... However, the so-called upper world is just a breeding ground; the so-called ascension is actually the day of harvest. His golden finger was born to [devour the world]! However, the soul is bound to the piglet's body and cannot take over from others, so he has to live in it. Let's take a look at how the pink pig Lin Xuanhe went from being coquettish and cute to winning the hearts of girls to seeking revenge and devouring the heavens.