MTL - Empress True Colors - Chapter 73v4 Shutter Island

When Zhou Yi woke up, he realized that he had become the prison guard of the Heaven Dungeon.Although he was fortunate enough to find a Fruit of Eternal Life, he did not possess any powers to protect himself.In a world of cultivation where demons and monsters roamed freely, Zhou Yi decided to hide himself and train for thousands of years.Time passed by quickly.The child he had freed 100 years ago had become the founder of the Great Qian Empire.The teenager he had helped 1000 years ago had become the elder of a celestial sect.The pet he had kept 10000 years ago had become the Absolute Demon King of Foreign Lands.This is the story of a normal person who has eternal life, the story of how he watched countless events unfold and eventually becomes the Supreme Celestial of Eternal Life.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!

One morning after being struck by lightning, Ye Wenxuan inexplicably gained the superpower of being able to generate electricity.

If he jammed his finger into one of the generator terminals in an electricity power plant, he could provide a year’s worth of power for 3 Tier 1 cities simultaneously, receiving the name “the mobile nuclear power plant.”

The country’s electrical company’s boss held his hand, speaking emotionally: “Comrade ah, the country’s future electrical development will all depend on you!”

Ye Wenxuan: WTF

Later, the “mobile nuclear power plant” was dispatched to be a bodyguard for a local tyrant.

Xing Yuan coldly said: “Just now did you or did you not electrocute me?”

Ye Wenxuan pointed to the heavens and swore: “I am an honorable employee, how could it be possible for me to make a move on my employer!”

Later on…

he made a move.

- Description from Novelupdates