MTL - Lord of the Secret Art! - Chapter 526 "Turtle Shell"

All I ever wanted was for famous detectives like Sherlock Holmes or Arsène Lupin to appear in my dreams and share their wisdom. But instead, why am I hearing the voices of notorious serial killers in my head, guiding me to solve a string of mysterious cases?

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

Xu Jun finally defeated the BOSS–the Dark Demon King, in this stand-alone, virtual reality game. When he wanted to go out to browse Weibo and express his mood, he suddenly encountered a game BUG and immediately passes over to the game world.

He became the man who finally took down the Great Demon King in this world. Gratifying! The attention of millions of people!

……However, he did not know the development of this world was not the same as the game, the Demon King did not die, rather his soul entered into Xu Jun’s body; this Demon King knows of all the stupid things Xu Jun does everyday…….

- Description from Novelupdates

2000 years ago a catacalism happend that changed everything, a mystrious type of enrgy called Ena was introduced to this world causing a wide spread mutation in animals and plants creating many bizzar new species every single organism changed and that included us humans as we gaind the applity to harness ena transforming us from mere mortals to super humens but the tiping of the pyramid was sudden and even with ena cultivators being born humanity could not stope the mutated beasts invasion, falling from the top of the pyramid as an apex predator of this world to a prey at lowest leveles of spectrom, 90 percent of the humen population were wiped out that was when someone discoverd that he could tame these beasts and use them to fight and grow stronger at a speed that seemed impossiple for any ena cultivatior saving what was left of humanity and curving a small pice of land as a sanqutary for the suvivers, those heros where called beast tamers and thats how this honoroble profisson was born.Waking up in a new world, Alan Ortex finds himself thrust into a bizarre and very dangerous new life. With a new family to protect and the desire to face the unknown, fear and excitement bubble up inside him. He will start his journey across the multitude of encounters that he will find in this new life. From a weak high school student, wondering and wanting to make a name for himself, wanting to enjoy his life to the fullest, as he promised himself on the first day he woke up in this new world. In this world full of bizarre creatures and beasts and unbelievable superpowered humans, he will become the strongest beast tamer ever—the absolute one.It's a tale of life, a journey into the unknown full of trials and one big mystery unfolding after another.Stay on your toes; it is going to get serious.