I created my own system - Chapter 31 - : Apollo Lionheart

Mythological revival, Blue Planet suddenly expanded hundreds of times, countless creatures from ancient myths appeared, dividing territories.Strange beasts from the Classic of Mountains and Seas, apocalyptic beasts from Western mythology, colossal demonic bodies from the deep sea...Xu Zhou traveled to this dangerous parallel world and discovered that he had a clone of a giant rooster.Moreover, he obtained the talent to gain one kilogram every day.This talent continued to upgrade with the evolution of the clone, one hundred kilograms a day, ten thousand kilograms a day...From then on, a Kun with unlimited growth ability started to grow infinitely, gradually evolving into a mythical beast.One thousand jin, ten thousand jin, one hundred thousand jin...Years later.“My current weight is 90 trillion trillion tons, with a punch that can kill a mythical creature.” In the starry sky, Xu Zhou stared at a mythical giant beast in the void, with icy killing intent in his eyes.The next second, the planet-sized body surged suddenly...

It is an age where monsters walk the earth and animals mutated by an extraterrestrial microorganism from Mars. Humanity is decimated and retreats to its last few cities, clinging on to survival. However, in the greatest moments of despair, there is hope. The Warriors, an elite group of humans who have defeated the monsters and gained powers that bring their abilities beyond that of humanity, stand in defence of the species. Yang Tian is a young man with dreams of becoming the greatest Warrior.

After suffering a setback in his dreams, he found a dragon egg that belonged to his grandfather. Amazingly, the egg hatches, and Yang Tian is suddenly granted the power of a pet dragon! However, the world is cruel and dangerous, and Yang Tian must overcome not only the threat of monsters, but also of other Warriors who want to see him fail. Can Yang Tian and his pet dragon overcome the numerous challenges in this brave new world?

Cultivators all have a soul beast, one that awakens at 13 years old.
However, Ye Chenfeng lacks one and is subsequently banished.
Ye Chenfeng obtains the favor of the heavens after years of humiliation.
With his gifts, he will walk his path to the strongest.

- Description from Novelupdates

When I opened my eyes, I found myself in a game where heroes and villains prevailed. I was told I would be granted one wish if I clear the game. The protagonist, who received a growth cheat that allows you to steal his stats by killing an opponent. He kills villains to grow up, but for some reason people mistake him for a “dark hero.” [Story-oriented]