MTL - Spiritualist In Korea - Chapter 39 source of confidence

A loner boy, who’s always loved escaping into his RPG world, suddenly finds himself living as one of his game characters. But instead of becoming his favored fighter, he’s in the body of his second avatar—a support mage! Though he’s used to playing both roles, being the mage in real life is a whole new challenge. Now he must rely on his knowledge and skills to navigate this unfamiliar reality and survive as the game's “support.”

Suzumiya Kaede, a gamer, fell asleep while playing a game all night and when he woke up he found himself in another world, a fantasy world where using magic is possible! Using his knowledge of games, skills, and cheats, Kaede decides to enjoy as much of his new life in a different world through his newly-acquired magic and sword!

In a dilapidated temple, a young man receives an outdoor webcast system, and thus, his webcast journey begins. He easily finds lingzhi worth thousands of dollars, keeps a falcon as his pet, and displays skills that leave his audience in awe. When he turns his head around, he discovers that the whole world is watching him.

When he joins a show, everyone asks, “Is this webcaster cultivating to be a deity?”

Someone exclaims, “This isn’t an adventure, this is a vacation!”

A reporter asks him, “Your fans claim that you know martial arts. Is that true?”

He answers, “Not true.”

Yet, in the next moment, when a little red bird flies past him, he takes a leap from a tall platform before jumping down…

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates