Pokemon : Rewind - Chapter 19 - : Central Knowledge

Lu Yu came to a strange beast-monitoring world where evil gods peeped in and ancient taboos revived from the depths of time.

In this world, birds, beasts, mountains, rivers, and even elements can be born and turned into pet beasts spiritually. Among them, the powerful ones themselves are ecological niches, radiating out ecological secrets such as the secret realm of the underworld, the kingdom of bones, the lair of succubi, and the kingdom of heavenly trees, giving birth to countless Dependents.

The beast master makes a contract with the beast, cultivates it, and controls the spirituality.

After witnessing the [Forbidden Sun] incident, Lu Yu gained the ability to extract materials from all things in the world and edit [Secret Food].

Evolve the secret food, with [Broken Twilight World] + [Ancient Dragon Dead Egg] = Final Banquet, after the royal beast eats it, it evolves into the Final Dragon God, the twilight realm erodes the world, and becomes the God of Doomsday.

The skill secret food is the skill of controlling beasts to plunder all things, to become omniscient and omnipotent, to sacrifice secret food to intercept taboo time, to sacrifice ancient existence, and to blaspheme the gods.

And his style of painting the beast has also become weird.

There is the dream of weaving all living beings, the spider shadow that entwines the ancient dragon with spider silk, and the Crimson Lord that pollutes the multiverse, and there is the Devourer of Worlds that feeds on the world…

In this regard, he explained: “My beast masters are just a little weird, they are really not evil gods!”

- Description from novelbuddy

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

Jin Lin was not an object within the pond; he would transform into a dragon upon meeting the wind and clouds!

Yu Haoran returned to his youth. Not only did he retain all the memories of his past life, but he also obtained omniscient and omniscient domain towers that could accelerate time.

Look at him: Seize opportunities, seize good fortune, destroy enemies, stir up trouble!

This was a story of leveling up and killing monsters.

- Description from Novelupdates