My Girlfriend is an S-Class Adventurer - Chapter 340 The Abilities Of A Weird Mage

The ill-fated high school student Liu Yuan obtained the inheritance of the top civilization in the universe and changed his own destiny. He also used many powerful technologies in the inheritance to lead the Chinese nation to rise in the universe.

- Description from novelbuddy

With a breath left, Hope is immortal.

Possessing Martial God bloodline, shouldering great responsibility,

carrying the clan’s enmity, with his dreams, Wang Chen treads on the

Martial path.

Killing enemies, searching for the Martial Dao, his name moves the

whole world. Leading the clan, leading the declining sect, he begins

his journey, welcoming challenge after challenges.

The path to his aspirations is full of difficulties and endless slaughters.

Let us see how he overcomes his challenges. With the Martial God

bloodline, the sovereign descends the world! With Supreme body,

reaching for the Heaven!

- Description from Novelupdates

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

The person whom the world revolves around.