Lord Shenxiu - Chapter 123: The Four Great Odd Books (1700 more, please subscribe)

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.

There are many people who try to act cool in front of him, whatever soldier king, assassin, system user, transmigrator, reincarnator, the strong returning, the strong coming down from the mountain, person coming back from the immortal world, reincarnation of the devil king, immortal emperor possessing someone’s body, and so on, all of them do not know what will happen next

- Description from Novelupdates

A master assassin transmigrates into an interstellar era.

Other players were responsible for competing in the e-sports arena, while he was responsible for stringing up and beating up the other players.

His sword was hidden during the peak of day, and he was a gentleman who arrived in a flash of light;
As a vanguard of the eternal night, he was the variable between life and death in the world.

“As you know, the Star League’s difficulty levels are arranged in this way:
Paradise < Simple < Normal < Difficult < Nightmare < Hell < [Tyron Odin]”

- Description from Novelupdates

In the spring of year 6823 of the New Calendar, Lu Xuan, an unregistered resident of the Federation, hid outside a high school classroom and secretly learned a Cultivation Skill, embarking on the path of Cultivation.On the same day, he returned home and had a dream, just as he always did. In the dream, he was in the Guardian Storage Room during the Spring and Autumn Period in Chinese history（770-481 BCE）, and the current Keeper of the Records was named Li Er, also known as Laozi.Later, Lu Xuan dreamed that he became the succeeding Keeper of the Records, became Confucius's second teacher, became the senior brother of Zhang Daoling, the Ancestral Celestial Master, and became the honorary father of the First Emperor...Even later, someone unearthed a roll of bamboo slips from the ground, on which an event was recorded.[The eighteenth Keeper of the Records, Lu Xuan, his Sword Qi like a waterfall, assassinated Duke Huan of Qi in his bedchamber]

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....