Codename-Anastasia - Chapter 39 - 3.9 Contrabass Solo 9

For decades, mysterious dungeons have been popping up all over the world. The resources found within these dungeons have completely reshaped human society, turning life upside down.In this world, Tsukasa Kisaragi, a high school student and active dungeon explorer, harbors a lingering regret.Back when he first got his explorer license, his social anxiety held him back from forming any party or making friends.But whether it was a blessing or a curse, Tsukasa was born with an extraordinary talent for dungeon exploration. He was so good at it that even solo, he could conquer any dungeon without breaking a sweat. He got used to going it alone, and before he realized it, he had become one of the few EX-rank explorers in all of Japan—so rare they could be counted on one hand.Despite his incredible skills, Tsukasa kept his true identity hidden, living a low-key life. But one day, he stumbled upon something that would change everything: dungeon streaming. And from that moment, his world would never be the same.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Facing a meteor, I wished for a stable and respectable job and money to spend, only to become the lucky one physically carried away by the meteor.After drifting through chaos, I was reborn as Nezha.The good news is all my wishes came true, the bad news is the world is not right.Nezha, carrying fragments of the Creation Jade Slip and Chaos Pearl, doesn't want to follow the old path of becoming a tool for Taiyi to avert disasters, so he apprentices under Nuwa.What do you mean I killed Ao Bing? I don't know Ao Bing, you should ask someone else.What do you mean Yin Shou is tyrannical, he is just an enthusiast of cultivation.Stone Ji is a spirit born from rocks, naturally, she matches my expertise in mending the sky, so let her be my good friend (tool).Why do you say Zhao Gongming looks simple-minded? I think he looks very much like my brother-in-law.Let’s see how Nezha securely cultivates in the prehistoric world, defying fate and ascending the Great Dao.

After transmigrating into a beast world, Rong Mingshi discovered that the people of this world experienced widespread mania. For example, when their emotions were abnormally agitated, they would become destructive beasts. If their emotions were abnormally low, they would shrink into their young beast form.