MTL - Marvel’s Scientist to God - v2 Chapter 197 midnight

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

Note: Please read the tag before reading.
- English is not my first language, so there would be grammatical mistakes in this story.
- Please give my story a proper review.
- I accept a suggestion, but no spam!

While most cultivators were scratching their heads as they pondered how to advance to the next realm, Li Lang was busy systematically studying the mechanics of cultivation.Scientist Langley Seiker has always dreamed about immortality. Reincarnating into a world of cultivation, it is no longer a dream except for the fact that he has no talent. However, through a chance encounter, he gains access to his familiar laboratory that will allow him to study the wonders of cultivation.Not even the heavens will know what fate has in store for Langley as he systematically unravels not only how to cultivate, but also various crafts such as refining pills and inscribing talismans. Preparation is key to surviving in the merciless world of cultivation, especially for those with no talent.Expectations:- Detailed study of each stage of cultivation and crafting- Not technology vs cultivation, scientific method will be used to study cultivation- No harem- Slow burn progression. MC won’t be skipping through cultivation ranks at record speed- Weak to Strong- Sect Building (Much later in the story)

I am an extra. That is an undeniable fact. As a mere extra in a fantasy world filled with sparkling heroes, charming princesses, and mysterious antagonists, my existence is merely to serve as a backdrop for them. But I, Arkan, will not remain silent! Why be satisfied with being ordinary, when I can be extraordinary?In this world, I might be just a herb shopkeeper who doesn't even get to be in the main dialogue. But somehow, my life began to change after I accidentally obtained an Artifact That Extra Characters Should Not Be Able to Have.Now, with a power that invites more trouble than anything else, I struggle to avoid the attention of the main characters... or steal their attention?

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates