MTL - Non-famous Actor - ~ Nine hundred and eighth, advance with retreat

Xu Feng transmigrated into the cultivation world with only one useless cheat.When he was born, the Golden Armored Spirit Turtle had just hatched, and according to the family tradition, it was bestowed upon him as his companion spiritual beast.Thinking that the Golden Armored Spirit Turtle had an extraordinary bloodline, he believed it would become a great companion in the future.However, to his surprise, it took twenty years for it to reach the Qi-Refining stage.So Xu Feng gave up all his expectations. He decided to keep nurturing it. If he failed, he could just pass it on to future generations.Unexpectedly...A colossal golden turtle, as vast as the entire world, lay across the shattered land.Looking at the devastated world, Xu Feng harshly tapped the head of the golden turtle.“Try to be more gentle next time!”

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

After dying a pathetic death as an overworked office drone, I woke up reincarnated as Archer—the bastard prince of the Brutish Empire.My existence is a royal secret as My father, the King, would rather pretend I don't exist. My half siblings get royal treatment while I'm hidden away like a dirty secret.But I have a secret of my own. I was OP.By age two, I realized monsters flee from my stupidly OP mana. By age ten my mana could level cities—if I dare to unleash it.When my half-sister is kidnapped by the demon king, I finally decided to step out of hiding to become the strongest in this new world.

What if Midoriya Izuku stayed quirkless? What if he could become a hero without any powers? Or even more shocking—what if he became the successor to All For One?