MTL - From Arms Dealer To King of War - ~ Today's update is delayed by 12 hours

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

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.

At some point in the 21st century, the Christian God stopped listening to the prayers of humanity. Monsters with colossal strength and endurance began to emerge and humanity entered its darkest period.

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.