MTL - Supreme Martial Dao - Chapter 337 devil?

The young lord of a small and weak country saves a dragon beside the sea one day.

After Xia Feng transmigrated, his heart was mysteriously removed.In its place, a defective demon heart capable of sustaining life only for eighteen years was implanted.This is a magical heart that can sync with the power level of its target.To stay alive, he bound himself to the ultimate villain of the future, a Destructive Witch who was destined to destroy the world.The stronger the Destructive Witch becomes, the stronger he becomes!Thus, Xia Feng realized, it's not my fault for stirring up trouble: “Miss Witch, I admit you're strong, but not strong enough!”

“If he’s being badass, I’m gonna plant my own crops. If he messes with me, he will not live past next year.”

Homebody Zhao Hai brought ‘QQ Farm’ along in his traversal to another world and resided within the body of a fallen noble. His fief was a black land which nothing could be planted, and more importantly, he even had a peerlessly powerful fiancee, who was actually the successor of a duchy and future Grand Duchess!

Even more importantly, he is a magical and martial cripple who could not learn magic and martial arts. His crippling was very thorough.

“I can’t learn magic, but I have the farm. You dare attack me? I’ll release bugs to eat up your rations and crops, and put pesticides and weed agents into your water sources to make your lands grow weeds. See if you dare to attack me. What? You wanna hire killers to assassinate me? Hehehe. I’ll hide inside the little house in my farm and see how you can attack me. When you leave, I’m gonna terminate your country’s crop productions, and then all of your people will revolt. See if you dare to kill me.”

Watch how this somewhat black hearted hobo uses his QQ Farm in the world of swords and magic to become a globally known nightmarish existence.

- Description from novelupdates

In a world where power is hidden behind corporate empires and ancient martial legacies, John Lopez lives a double life. Known publicly as a carefree young man, he secretly bears the terrifying title of the King of Horizon, a supreme martial expert feared across the continent.When his beloved sister Queenie becomes the target of a brutal smear campaign threatening to destroy her company and reputation, John is forced to confront the shadows lurking in the high towers of business and politics. As conspiracies deepen and enemies rise—ranging from corrupt business moguls to deadly assassins—John’s wrath becomes unstoppable. But danger isn't only around him—it strikes home when his eldest sister, Alice, falls victim to a rare and deadly poison. With time running out, John must defy the odds, wield ancient techniques, and unleash the full fury of Horizon’s might to protect his family.