The Demon Lord and his Hero (BL) - Chapter 321 - Trouble Comes

Li Yi accidentally obtained a black science and technology library, which contains countless books of the inheritance of high-tech civilization and records countless knowledge.

There are thousands of bells in the book, there is a golden house in the book, there are many horses in the book, and there are Yan Ruyu in the book.

Li Yi has completely turned into a bookworm, learning all kinds of knowledge from the library, grand unified theory, particle Tebo theory, …, acquiring various black technologies, superconducting materials, super batteries, intelligent algorithms, … .

- Description from novelbuddy

Worlds overlapped, and Alien Species descended.Strange entities emerged one after another, as the shadow of evil spread wildly.The calm of life was shattered, and Zhang Xiaoman, inside a fish's stomach, accidentally consumed a system named “World-saving Plan”.From then on, he became the only person among all humans with Extraordinary Power.…Inventing an ancient oath, he established a unique methodology, Cultivated Dark Energy, founded an organization, took Control of the Transcendent, and resisted invasions.Well, this is actually the story of how a Big Con Man bluffed his way into saving the entire world.PS: Contains elements of the behind-the-scenes, Cthulhu mythos.

As a golden dragon raised by a human family from a young age, Noah has no particular hobbies except for cultivating kings.Though some ignorant scholars misunderstand him, labeling him as a mentor of king slayers and trampler of royal authority, over the millennia, there are also wise men who praise him as the imperial dragon and holy dragon.Moreover, the vast empire's many races regard him as the pioneer of the golden age, an immortal radiance of the empire, eagerly desiring his regency and control over the empire's authority.

Cheng Xu, whose entire property is a waste recycling station, accidentally awakened the system, but why does this system only have a [decomposition] function? So let’s start by refining the gold in circuit boards.

“Wait, I seem to be able to use it to probe?”

“It seems to be good for repairs?”

…

Since then, Cheng Xu has become a humanoid X-ray machine, a humanoid 3D printer, a maintenance master…

But when Cheng Xu completed the first system task, he found out that he really unlocked the system now?

This book is also known as “One Thousand Ways to Use the System” and “My Roommate Who Collects Waste at Home Becomes My Mentor after a Summer Vacation?” “, “You want to marry a waste collector? 》

- Description from novelbuddy