Valerian Empire - Chapter 17

Alex, a veteran soldier, meets an unexpected end on the battlefield. But instead of the final rest, he finds himself reborn into a new world—the magical realm of Harry Potter. Now a young boy, Alex is born into a Muggle family. Yet, despite his non-magical origins, his disciplined training and fierce determination uncover a rare, powerful talent for magic. With a world of spells, wands, and ancient secrets ahead of him, Alex will need every bit of his skill to face the growing darkness led by Voldemort. It’s a time before Harry Potter’s birth; James and Lily Potter are still alive. Join Alex’s journey as he navigates his way through Hogwarts, learns the mysteries of magic, and rises to face the deadly challenges that await, determined to become one of the greatest wizards in history.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

This is a world where mountains, rivers, vegetation, animals, machinery, undead, elements… can all become war beasts.

This is a world dominated by beastmasters.

The swaying star dragon bird above the nine heavens.

A lightning elf wielding a long whip in a thundercloud.

The giant whales of the vast seas are entrenched in the mountains and seas in the depths of the ocean.

The ghost of the flame shadow jumping in the unquenchable candle.

Ji Feng flipped through the Book of Starry Sky in his hand and created one myth after another in this vast world of beasts.

Embark on a path that is unique to its own creator.

- Description from novelbuddy