Professor Vampire. - Chapter 3 - Lifting the boards of his own coffin

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

Karnak, a human born as an illegitimate child in a fallen aristocratic family, rose to the transcendent rank and became the Death King. Even god couldn’t contend with him.However, after becoming transcendent, he missed his human emotions, such as satisfaction and other things.So, with his oldest friend and second-in-command, who shared his belief, he decided to return in time with Barros and start over.However, something seemed wrong with this timeline.Now is the beginning of the new adventure of the Death King Karnak.

Raised as nothing more than a weapon, Xin Long was kidnapped and forged into a killer — his freedom severed, his name reduced to a whisper. In a world where trust is a death wish and mercy is a myth, he treads a path of blood and betrayal, outwitting ruthless foes and surviving inhuman trials. Yet, the deeper he delves into the shadows of Jianghu, the more he unravels a web of dark secrets that bind the martial world.Step into the dark side of Jianghu and witness the so-called Forgotten Tale — a story never meant to be told...

Nikolai gets bitten by a vampire and a werewolf on the same night. Their bites cause his hidden blood to awaken as the first hybrid. He grows stronger by devouring the blood of his enemies and lacks the weaknesses of both races.Despite this, he lives a normal life during the day. While at night, he explores a dark, hidden life, working for a spoilt princess and helping his obsessive friend. One is a vampire—the other leads a werewolf mafia group.Lost in this strange world, he finds help from Eliza, the strange pendant his mother created before she died. This helps him realise the world isn’t what he thought as he faces constant threats and danger from those who despise him.In this new world, his growth is rapid, and with endless possibilities, Nikolai fights for his life and to protect what he finds important while rising to the top.