Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~ - Chapter 156 - Acid was Useful

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates

The Halfling says: curiosity is power.The Dwarf says: unity is power.The Elf says: Magic is power.The Gnome says: creation is power.The Beastman says: slaughter is power.Humans say: authority is power.The Dragon always says: knowledge is power.The Gods once said: faith is power.Lynch stands on the terrace of the All-Knowing Tower, overlooking the Anriel Continent, and gently says:“I”, am power.

Originally born from a wealthy family, she ends up leading a vagrant life for fifteen years. However, when she is eventually found by her family, she falls into another devious plot and eventually dies tragically.

“If magic is power, then I'll build my own.” - Adrian.When a genius tech developer dies from overworking, he awakens in a world ruled by magic, ancient empires, and mythical beasts.But unlike the natives who manipulate elemental mana, he is granted a mysterious technology system that lets him reconstruct modern and futuristic tech.Armed with the knowledge of his old world and this game-like system, he begins to revolutionize the magic world. But his rise threatens the very foundation of society, drawing the attention of kings, mages, and forbidden powers that ought not to be offended.As nations clash and secrets unfold, one question remains:Can technology coexist with magic… or will one destroy the other?