MTL - Start with Batman - v2 Chapter 405 that's right

Thrown into his favorite novel as a powerless extra, he never expected to survive, let alone tame the gods.In a world where strength is everything, chaos reigns and beasts roam the land, including fearsome dragons and gods, the stakes have never been higher.With the power to tame beasts that even gods fear, he must rise above a world on the brink of collapseBut how will he fight for his place in a doomed reality!

Ling Lang is thirty-two years old and an A list movie star. He is also the youngest to become the king of the silver screen. Known for having a cold and aloof disposition, people nicknamed him king iceberg of the silver screen. His biggest secret? He is a masochist down to his very bones.

- Description from Novelupdates

Lin Rui was reborn, reborn in the year 4161, two thousand years later. In this era of highly advanced technology, where the peak of human biotechnology had collided and fused with the culture of Tianji Star, a new path for human evolution was born—’Zhi Zhuang Wudao’, capable of granting eternal life and transcendence beyond the universe. The entire society esteemed the strong, and it was considered an honor to practice Zhi Zhuang Wudao. There was even a group of ’Variant Walkers’ who stood at the pinnacle of the social pyramid, looming over the world with arrogance. At first, Lin Rui couldn’t fathom the meaning of his rebirth. He merely adapted to this era out of a sense of responsibility. It wasn’t until one day that the ’Battle Spirit Ring’, which had come into existence alongside Lin Rui, captured its first Battle Spirit. Lin Rui could let the Battle Spirit possess him for combat, and could also copy all the martial skills and abilities mastered by the Battle Spirit. The Battle Spirits he captured grew increasingly powerful— Lin Rui began to realize this era was his to own. A ’Super Abyssal’, who would overshadow the future, began his rapid development journey at the Tianji Star’s ninth base.

Luo Xing travels through the world of pirates and obtains a system of increasing defense power. When he receives different degrees of damage, he will increase the defense points of the corresponding level.

Luo Xing started from Wano Kingdom’s Hundred Beasts Group, step by step towards becoming the strongest.

“Come on, Yamato, hit me, you’re welcome!”

“General Akainu, did you not eat enough in the morning? Why is the magma so warm?”

“White Beard, your Zhenzhen Fruit should be even stronger, right?”

Luo Xing continued to challenge the strong, and what broke the strong was that Luo Xing became stronger and more fleshy, and in the end they couldn’t even break Luo Xing’s skin.

Teacher Kai shouted loudly: “Among the people who have fought against me in terms of defense, no one is more fleshy than you. I, Kaido of Beasts, would like to call you the strongest creature!”…

- Description from novelbuddy