The Return of the Crazy Demon - Chapter 190: I Know It Because I Tried It.

Junpei Takeda, a high school student, is childhood friends with Noriko Tatsumiya and is bullied by Kido Shouta. One day, while bullying Junpei, they (Junpei, Tatsumiya, & Shouta) were suddenly summoned to a different world by the whim of “God”. Summoned Heroes with cheats, or so he thought. But it turns out Junpei’s stats were even worse than an average farmer. Tricked into a deathly labyrinth by the only one he trust, he walks the journey for revenge.

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

In The Swordsman, I am Yue Buqun! In Legend of the Condor Heroes, I am Ouyang Feng! In Tianlong Babu, I am Ding Chunqiu! …In Datang Shuanglong, I am Shi Zhixuan! …I am me, a big villain boss who walks in the heavens!

 Swordsman, The Legend of the Condor Heroes, The Eight Parts of the Dragon, Little Li Feidao, The Legend of Double Dragons of the Tang Dynasty, Fengyun, Zhuxian, Yangshen, Shading the Sky, Perfect World, Eternal Life…

- Description from novelbuddy

Lin Bei reentered the “Second World” and awakened an SSS-grade talent, the Unlimited Buff.

[Unlimited Buff: SSS-grade. The duration of the buffs that the player has received will not expire.]

With that, Lin Bei embarked on a path of god-sealing.

When he used a health potion, his health would permanently recover by 100 points every second.

When he used the Earth Escape Technique, he permanently gained the effect of Earth Escape.

When he used the Stealth Technique, he permanently gained the ability to stealthily move around.

When he used the Speed Scroll, his speed was permanently increased by 25%.

When he used the Berserk Spell, his critical rate increased by 30%, and his critical damage increased by 100% permanently.

“Hah! With this talent, the world is mine!”