Douluo Dalu 2: The True God King - Chapter 320: [DD2]:

Due to a mistake on his student’s part, a super Martial Artist had received a wrong class in an online game and had become a mage. He who was used to curbing violence with violence and using strength to subdue strength could only make the best out of his mistake. Taking on a new lease in life, he became a violent close combat mage. When strength and magic came perfectly together, a new gaming path had been opened by him!

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“Fireball spell? Lightning Chain? Frosted Ice Mirror… etc.”

“Wait, I came here to practice Kung Fu! What has magic got to do with me?”

“I am a mage?”

“Oh, that’s right. I am a Mage!”

“However… do you really firmly believe that I am a mage?”

“Alright then, look at my knives! Look at my sword! Look at my fist! Look at my concealed weapons!”

“What? You’re now saying that I’m not a mage?”

“If you don’t believe me, I will prove it to you: If you believe me, I will show you a performance: No one can get in the way of a mage who knows Kung Fu!”

- Description from Novelupdates

My name is Joo In-gong. The name that my parents gave me meant ‘protagonist’ of the world. Really?

[Simulation] + [Isekai] + [Goblin] + [Harem]After a long sleep, I awakened in a new life—as a goblin. Weak and insignificant, I found myself reborn as the lowest creature in a world filled with hostility and danger. But from the shadows of this cruel world, a silent rise begins...

An alternate realm invaded and the game descended. The entire Blue Planet was digitized.

Faced against countless waves of monsters, some people downloaded the Holy Knight module and became angels of light that helped the world reach enlightenment.

Some people downloaded the Warrior Monk module. They focused on their training and reached enlightenment overnight. With their fists and legs, they fought and made a name for themselves.

Chen Kun, who transmigrated to this world, downloaded the Boss module.

Each time he leveled up, his growth attribute improved multiple fold, and his attribute points multiplied. More importantly, all his skills were automatically unlocked as boss skills!

When the hole between the two realms opened and the gods of the alternate world came pouring in to invade this world, what awaited them was Chen Kun, who sat high up on a throne.

When the gods of the alternate world saw his terrifyingly long health bar as well as his boss skills that granted instant death and control immunity, reduced damage, true vision and many more skills, they despaired.

Chen Kun smiled and said, “So, are you the ones who will challenge my throne?”