Elf: After the Yandere Elf Turned Dark, I Became Invincible (Chapters 1-873)

Summary

Lin Chen explains the Fairy Evolution Device to the 3D Long, who quickly identifies a similar ancient mechanical structure. They decide to name it the Fairy Evolution Device and plan for its mass production and patenting, anticipating significant profits. Kira describes its functions, including measuring fairy energy and aiding in spirit evolution. Lin Chen agrees to gather the necessary materials, which are mostly inexpensive. After some interactions with spirits, Lin Chen visits Long Jia, where he surprises Long Yu Qing with eight spirit eggs of the rare Four Needle Dragons. Excited, she offers to negotiate for champion-level items from her family in exchange, ultimately settling on an ancient Elven Fossil.

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