My Mage System (BL) - Chapter 644 I think Daddy has already answered that, no?

With unmatched talent, but a fate sealed by a terminal illness, Jeong Yeon-Shin challenges his destined death for a chance to live.Set in a realm where elves and dwarves coexist with martial artists, this is the story of Jeong Yeon-shin, a genius fighting to extend his life against all odds.

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

Chang An is a sub-beast who, despite having the talent for the sword, did not have the constitution to support it. And his savior, Hua Yi, is a beastman on the run for his life.

This is a story about how two once innocent children had to grow up in such a cruel beastman world.

- Description from Novelupdates

Michael Aurelius, the young heir to the Aurelius family is a white-ringed mage, the weakest and most pitiful mage in existence. Capable of only performing chore magic, he is deemed worthless despite being born into the noble and respected Aurelius family.Yet things take a turn when tragedy strikes, leaving the young and weak mage alone, fighting for his life in the mana-scarred lands. A mysterious power awakens within Michael, giving him a glimpse of the strength he had always been yearning for.But all is not as it seems. With most of the arcane knowledge lost due to the great war two-thousand years ago, civilization has yet to recover.Read along as Michael begins his journey towards his ultimate goal—strength.Because only by being strong will he be able to exact revenge on those who have wronged him. Only then can he surpass those who mocked him.