Merged Soul: Reincarnated in a Dark World - Chapter 1: Nightmares

The king of assassins was reborn, mastering both alchemy and poison. Sitting inside the space, there was a ghost that loved crying.

Buying a sickly boy for a hundred gold coins, becoming the master of half a country for no reason.

On their wedding night. She slightly hooked her jade finger, “Come here.”

The man tried weakly bargaining, “Can I redeem myself?”

“No!”

“Can we wait for the bridal chamber tomorrow?”

She cast a cold gaze, “Give me a reason.”

“I…..My period is here.”

Her head was covered in black lines, “Do you think you would even believe that!”

After four hours——

She weakly said, “I can’t go on anymore, wait until tomorrow.”

The man revealed an evil charming smile and turned her over before pressing down, “Want to run? Too late!”

- Description from Novelupdates

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

The status of a wizard is transcendent in all continents and in the universal plane.

Eternal battlefield descended, and the reality transformed into a hellish place for those who couldn't awaken a class and those who were lucky enough to awaken were known Awakeners.When living beings turned Eighteen they might awaken their class and gain the ability to wield mana at their fingertips. Awakeners would venture into the Eternal battlefield to fight for survival, gaining godlike strength in the process.Dawn reincarnated into this world, strangely while just a few days old, he successfully awakened the Superhero class as a result he was forced to venture into a dangerous world with an infant body.Thankfully for him he managed to unlock some unique skills which allowed him to survive and thrive.....[Ding! New Class Achievement unlocked][Grade - Epic, Gazing into the eyes of Death with a smile][Have a near brush with death 1,000 times in succession in a span of a few days. Young hero, Death had been chasing you but you have been faster][Your efforts have been awarded, young hero, and a new skill has been unlocked.][Nine Abyss Laser Eyes Level 1 - Launch a laser ray with temperature exceeding 1,000 degrees Celsius at your target.]