As Sukuna in Invincible - Chapter 79: As I said, and promised

The issue that originally preoccupied Tang Xian’s thoughts was whether, amidst these world-destroying bosses, he should be a hero for just a second or continue to pretend to be a boss. Later, he realized that, in the midst of pretense, he had actually become genuine...

A car accident causes Yan Chuang to traverse into a martial arts world resembling ancient times, bringing along a 'Purple Mist Palace'.Teaching by Example (Level 1): Your explanations will increase listeners' comprehension efficiency by 50%, and their understanding and thoughts will feed back to you, granting you corresponding 'insights'.The Great Dao Cushions (Level 1): The Purple Mist Palace contains six Great Dao cushions that aid listeners in better understanding explanations and grasping the Great Dao. The effect of 'Teaching by Example' is increased by 1000%. Note: Only two of the six seats can be changed once.Treasure Nurturing Rock (Level 1): You can use 'spirituality' to enhance and nurture items.Method Development (Level 1): You can set up research tasks, gain inspiration, develop martial arts, and complete tasks to gain 'insights' and 'spirituality'. Currently, you can create 2 tasks.Upon reaching the other shore, Yan Chuang laughed and said, “I didn't specifically study martial arts, those were merely insights gained while preaching to disciples.”

Lucifer travels to the world of One Piece, binds the system, and obtains the fruit of words and the power of hell demons at the beginning.Everything Lucifer says will become reality, and matter can be summoned or generated through sound.Flash, lightning, fire, ice, magma, gravity, earthquake, all powerful abilities, Lucifer can use.By beheading enemies, Lucifer earns kill points, which buy more powerful powers.Akainu: As soon as Lucifer speaks, my magma can only be used to light candles.Kizaru: As soon as Lucifer opened his mouth, my flash was slower than a turtle.Whitebeard: My Shock Fruit can't shake a rock.Kaido: My immortality has failed.Redhead: Why is my strongest Conqueror's Haki gone?Five Elders: Please, stop talking.Lucifer: I haven't done it yet, why are you so stupid?Everyone: You didn't do anything, but you did.Lucifer: A gentleman uses his mouth but not his hands.From then on, a hell demon who used his mouth to attack invincible opponents all over the world was born.Disclaimer: This is Translation