Multiverse of Marvel - Chapter 7: First step to world dominance

Reincarnated in a magical world with INTERNET POWER?Nolan, a failed teacher, dies and wakes up in a ruined fantasy world—in the body of a Mana Specialist—a magic instructor who helps wizards and knights control the dangerous, corrupted mana flowing through their realm.The problem?The body’s former owner made a deadly pact with a succubus and was hunted by his noble family. Worse still, Nolan doesn’t know a single thing about being a magic specialist that could’ve helped him tremendously in his troubled situation.Just when he thought all hope was lost, Nolan gains access to the Internet. Not just Earth’s version, but this magical world’s version too.Need a face slap? Buy an internet promo to gain access to the knowledge wherever he needs.Succubus problem and strengthening up? Play inside the game and get stronger in real life too.Sometimes, to solve magical problems, all you need to do is browse.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Thiago has nothing—no money, no connections, not even shoes.Just raw talent, a dream, and a strange System only he can see.From the streets of Rio to the world stage, this is the story of a boy who plays to survive—and fights to rise.