World Development System - Chapter 318: 249. It is ok, he is only rude on the outside.

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

The vast Kunwu Mountains, one hundred and eight thousand. Spiritual ethereal sword rising, sweeping the summits of the nine provinces.

A modern day otaku is reborn in a wuxia world, becoming the little shishu of a little sect. Unexpectedly discovering he has the martial arts trade system of a garbage web game. Through it he can actually exchange for all of the martial arts in Mr. Jin Yong’s novels.

And so, Nine Yang Manual, Nine Yin Manual, Nine Swords of Dugu, Eighteen Dragon Subduing Palms… All kinds of amazing martial arts started to dominate the jianghu of another world…

- Description from Novelupdates

When Jiang Ming woke up, he possessed the power of immortality.

Facing the cruel and dangerous world of cultivating immortals, Jiang Ming realized his own path of cultivation.

That is, only practicing forbidden techniques!

Blood-burning knife technique, one year of life lost for each cut… Eat me ten times first!

A holy body for a hundred eons, three levels for one day…refined to one hundred thousand levels!

The Heavenly Reaper Technique, if you use it, you will be backlashed by the destiny… Let me first calculate the color of the saint’s clothes tomorrow.

To break the delusion, you need to look directly at the indescribable things…

Birth and death, being scoured by the secluded capital Huangquan every day…

Practicing and practicing… Jiang Ming discovered that his forbidden technique was already invincible in the world!

- Description from novelbuddy

Edwin was once a world renowned scientist, attested for his understanding in genetic. Was. Involved in a scandal, he was disgraced and thrown to the dirt. And when he wanted to commit his final act of revenge upon the one who threw him there, he die, not by the assassin sent after him, but death through the illness that have been plaguing him since childhood.However, after death, he soon woke up in a brand new world, one filled with magic and monsters. However, he woke up as demon, enemy of humanity, and given a system that will help him empowered monsters through either magic or genetic modification.-x-“Hah, enemy of humanity, I like that. When have human ever been grateful to me! Now, I will plunge the world into an age of demon and monsters!”Filled with desire to watch the world fall into ruin, Edwin, now Alros Kadarni, will cause as much destruction as he can. From one kingdom to the next. From one continent to the other. All by using the different danger zones that is feared by all sentient beings that is not monsters not demon.