One Piece: The Soul Purchasing Pirate - Chapter 28

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.

But to build something you need resources and energy. To receive resources you need strength. To gain strength you need knowledge. To gain knowledge you… need strength? or a background? Or maybe a fully armed army of high tech robots who aren’t afraid of death?

But is this legacy really for him to keep?

- Description from Novelupdates

Grass and trees could become fairies and even snow and frost had spirits!

After suddenly dying from pulling all-nighters, Jiang He discovered that he had arrived in a miraculous world of beast taming.

He could form contracts and tame beasts. By uncovering hidden evolution pathways, he discovered unique skills for his monsters and explored this unknown world!

He became a legendary beast tamer and champion of the World Beast Taming Championship. As the Master of Light and Shadow and the Ruler of the Snow Domain, he was asked how he had obtained his achievements.

He answered, “I merely relied on making my beasts happy.”

Oscar, a destitute young boy, died in a tragic accident and was reborn in the forgotten realm. As a member of the lowly Birch tribe, his solace comes from the fragments of a guardian's spirit, residing in his soul. After the decimation of his family in the hands of a powerful race known as the dreads, he embarked on the part of revenge, leading him to the path of transcendence.

Traveling through the world of movies, TV series, cartoons and novels, you can freely copy the blood, skills, knowledge, and even memories of others …

- Description from Uukanshu