What on Earth Is It?

This world is full of crises. Human beings are not lambs to be slaughtered. At a certain age, everyone will awaken their own guardian spirit. It might be a weapon, it might be a beast, it might even be a mythical person or thing... And when Chen Sanhua tested it, the test stone only showed one word... Chen Sanhua:? ? ? ? When told that his guardian spirit could grow stronger by devouring other guardian spirits, he happily took a puff. "Comprehension Ability—Misty Fog" Chen Sanhua:? ……………… Easily, semi-invincible (take off after Chapter 20)