Master of Untold Daos - Chapter 387 - Sudden Battle(IV)

Lu Zheng possessed a jade seal which allowed him to transmigrate to an alternate world freely.Initially, he thought that the alternate world which he frequented was but an ordinary ancient civilization. With no particular ambition in mind, he planned to become a merchant and enjoyed the casual life of a rich man. He would find a few pretty maidens to accompany him while he explored the place and enjoyed various delicacies. That would be his ordinary and mundane life.His boring life lasted until the day he gave a beggar who showed up at his doorstep a meal. His jade seal obtained a strand of luck because of his action.Since then, he encountered a fox demon visiting him during the day and a beautiful ghost looking for him at night.The members of the Quanzhen Sect paid him tribute while some Buddhist monks stood in his path.So, it turned out that this world was not ordinary.

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

In a world where humanity is defined by Classes, Classes are everything, and when you get a low rank class you're stuck with it until the very end. Axel awakened the supposedly lowest of the low rank class, he was mocked for it and ostracized but little did any one know, that this was only the humble beginning of a boy that could steal classes and evolve them. This strange Class that Axel awakened set him on a path to possibly becoming the strongest in all the dimensions.

Lu Zhiguang is not a cannon fodder himself, but his mission is to save the miserable cannon fodder.