[System + Beast Control + Growth + Academy + High Martial Arts + Single Female Protagonist]
After the Earth and Star Catastrophe, mankind has entered the era of national beast control!
After more than 300 years of development, plants, monsters, weapons, machinery, undead, ancient heroic souls, elemental elves, etc. Can all be contracted.
Xiao Ran was originally an ordinary boy from a rural mountain village, but he didn't expect to win the favor of the system. It's just that the system needs to absorb the energy and blood of monsters to make himself stronger.
So Xiao Ran started his life of killing, but twenty years later he found that there were no monsters left to kill in the world. Just when Xiao Ran didn't know where to go for a while, the legendary mythical creature arrived, which made him even more excited.
Xiao Ran wanted to know whether those ancient beasts were more powerful, or whether the god-level beasts he cultivated were more powerful.
