MTL - Tempest of the Battlefield - ~ 589 dongdong

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

When the unassuming Du Yunlong encounters Wang Zihan, the eldest daughter of an esteemed immortal family, what kind of tale will unfold between them? The first step into the world of cultivation, hastened by the opening of the initial mystical technique, finally sets Du Yunlong on the elusive path to immortality.From a cold, steel-hearted maiden to a gentle and kind mentor's wife, a lovestruck young girl, a faithful and flawless widow, a serene and virtuous nun, a fateful encounter with a sophisticated lady, and a devoted female sword cultivator—how will each of these remarkable women weave their stories with Du Yunlong?He seeks not to soar through the heavens on a sword, nor to conquer the three realms. To Du Yunlong, love is eternal, and his ultimate path is simply to cherish a lifetime with the one he loves.

Juvenile Luo Yang, because of the body being blocked by evil dragons, and with the blood of God, has embarked on a road to heaven! Rise from the humble, turn the mountains and seas, step into the world, and press the heavens!

- Description from 69shu translation

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…