MTL - Start with Batman - Chapter 263 cardiopulmonary arrest

Transmigrated to become a disciple of the demon sect, relying on the technique modifier to become a giant of the demon path.

[Detected the technique “Blood Nerve”, relying on devouring blood to cultivate]

[Side effect: easily affected by the spirit contained in the blood, becoming bloodthirsty, murderous, insane, and even brain dead]

[Please wait, system modification is in progress…]

[Ding! Modification completed and side effects canceled]

Joseph Knox, one of the most prolific and well-known serial killers on the planet.A person considered so demented and manic that even trying to reason with him was believed to be a waste of time. A man so far gone that he seemingly didn't deserve any pity even on his deathbed.So why? Why would a man like him receive a second chance? And why did the world around him seem so familiar?Disclaimer: AU when it comes to some parts of Madara's plan(I'll try to make it make sense at least), and aliens don't exist in this world

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

Attorney Zhang Qiansheng, a criminal defense lawyer with over 30 years of experience, had won more than 2,000 lawsuits and helped countless tycoons escape conviction, earning himself a fortune worth hundreds of millions. Standing in the courtroom, he struck fear into the hearts of those who heard of him, chilling them to the bone.But due to an accident, his soul transmigrated into the body of Zhang Wei, a law student from a parallel universe's Blue Star.Since then, the underachieving law student Zhang Wei had transformed into an unbeatable attorney!And this time, with the help of a Simple-minded person, he slowly transformed from the ruthless attorney Zhang Qiansheng into the compassionate and righteous good lawyer, Zhang Wei.