Becoming Immortal Through Getting Married - Chapter 502 - : Hua Xuanyin Finds It Dirty

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Zhang Xuan traverses into a foreign world and becomes an honorable teacher. A mysterious library appears in his mind. As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weakness would be automatically compiled. Thus, he became formidable.

“Emperor Haotian, why don’t you like to wear underwear? To think that you’re still an emperor, can you pay more attention to your image?”

“Fairy Linglong, if you continue to suffer from insomnia, you can always look for me. I have a way with lullabies!”

“You as well, Qiankun Demon Lord, can you cut down on the garlic? Do you want to stink me to death?”

…

This is an incredible story about the heritage between teacher and students, cultivating and guiding the world’s strongest experts.

Will you forgive them or seek revenge? Forgiveness and revenge are, after all, the two inevitable outcomes when faced with betrayal—rather, the two sides to behold of the same coin. No matter how many times forgiveness surfaces, revenge is equally likely to occur.This is the tale of a man who has endured countless betrayals throughout his life. One might even say he's been betrayed by his own fate. Yet, he has always chosen to forgive and move forward with a cheerful smile. Revenge never really occurred to him— not even once.However, his life took a dramatic turn when he gets involved in a tragic accident, meeting a miserable end. But fate had other plans, and he was reincarnated in a different world. With his newly acquired body, he starts his life as a Mage Class Adventurer, only to face the dark reality of the world. The atrocities he witnessed—enslavement, smuggling, trafficking, and so on—were nothing but the tip of the iceberg. The Dark Morals of the world remained untouched.What secrets lie hidden? What darkness shrouds this world? One must join him on his journey to discover the truth. As he continues surviving in this new world with certain ambition and purpose, he also acquires a 'System' to enhance his potential. With each level and skill upgrade, he conquers the chaos and earns a title no one ever will ever be able to attain.[“Do read if you feel like reading my creation. Your support is what gives me inspiration to carry on”— El Sandra.][Note: My novel contains violence and harmful events. Reader discretion is strongly advised]

Doflamingo + cheats + semi-invincible

The villain does not need to be cleansed, all he needs is stronger power.

To win again and again.

Prove who is on the right track.

Achievements achieved:

Punch the Momanosuke Kindergarten and kick the Golden Lion Nursing Home.

Bonebreaker Black Arm General Zefa…

- Description from novelbuddy