This Doctor Is Too Wealthy - Chapter 104 pulmonary fibrosis

Mo Tianliao was a master weaponsmith and a demonic cultivator. When news spread that he was about to complete a divine weapon, cultivators from both the demonic and orthodox sides chased him down and killed him. In a stroke of luck, he managed to possess a new body and was reborn.

So what was the first thing on his mind after his rebirth? Avenging his death? Taking over the world?

Mo Tianliao: I have to find my cat!

—
Mo Tianliao: Why won’t you let me hug you? You used to be my cat!

Master: (unsheathes claws)

Mo Tianliao: Ahaha, this disciple has too much respect for Master, this disciple can’t bear to let Master walk on the ground!

Master: (lifts paw, sends disciple flying)

- Description from Novelupdates

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!

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

In the God Domain, Cultivators were far and few between, but each of them wielded power that would make them known as gods.

How did they come to have such power? They comprehended the laws between heaven and earth and became those very laws.

But something occurred, a youth that hadn’t gained the acknowledgment of the heavens to become a cultivator chance upon Qi. Determined to reverse the bad hand faith had dealt him he started researching it and came to a shocking conclusion. The very laws that the heavens prevented him from comprehending were swirling around in this strange energy!

The youth thought to himself that if he could somehow control it, then he could defy the heavens and become a cultivator. Without any hesitation he began researching more and found out that the only way to control this newfound energy was to absorb it within his body.

After many years of preparations, he did exactly that.

However, he promptly died from the finger size strand he absorbed.

Ten years after his death a cultivator found his research journal and decided to further study this fascinating idea.

Skip forward to an unknown period in the future and a baby was born into a powerful royal family as the second prince. Upon his birth this child had the laws of heaven and earth swirling around him. This immediately sent the royal court into a stir as they thought the heavens themselves had blessed the Emperor’s second son.

But as that was happening, the baby that had just been born saw the midwife use a spell to turn Qi into water to clean him.

Upon seeing this, the baby’s eyes widen into saucers as a voice screamed hysterically in his head, “W-WHO THE FUCK STOLE MY IDEA?!”