Born to Be Rebellious [Quick Transmigration] - Chapter 47: The Merman

Task 1: Do 10000 kicks for [strength +5].Task 2: Run 10 km for [stamina + 3]. If you fail to complete the task, the punishment is to run naked.“What the fuck?”[And a surprise for you, my dear user][You have two beautiful wives waiting for you at home.]“Now, where the hell did wives come from?”[World quest 1: Defeat an Asura and save your wives]Alan is an orphan in this chaotic world, but his strength in this world is his grandma, who raised him in the orphanage.He wanted to become an awakener for her, but that dream shattered when he found out that his soul is broken in the awakening.Ridiculed by everyone, his only option was to become a dungeon delver to help his grandma.But one night changed everything for him during his job in the dungeon, where his group suddenly faced a dreadmind and nearly died.During that time he awakened his greatest gift, his beautiful system, which suddenly started giving him tasks with weird punishment.Read to know how Alan fights against dragons, vampires, elves, demons, and dreadminds to become the strongest and how he discovers his past and secrets of the world.

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

Harry was just an ordinary young man—until he stumbled upon a hidden world where the strong reign supreme, and Cultivation is the way to power.But fate had greater plans for him. Granted a God-tier system, he soon discovers a terrifying truth—his path to power lies in slaying beasts.[Congratulations, you have slain the Deathless Dragon.][You have reached Elemental master Realm][Congratulations, you have slain the Lion Emperor.][you have reached celestial sage realm.]While others were busy cultivating for years to level up.Harry was killing beasts.“You beasts are nothing but free exp”With each kill, his Cultivation increase, his abilities evolve.But Humans are not the only race in the vast universe, Earthlings got in fight with Dakis that gets strong by eating humans.Will Harry lead the Humans to victory or will get devoured by a daki.

The protagonist travels through Shu Mountain and becomes a demonic dragon guarding the heavenly book in Dinghu Peak.