The Bloodline System (Web Novel) - Chapter 830 - Code IR

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Word went around that no one that had ever knocked on the esteemed Eleazar family’s doors seeking shelter were turned away.Fleeing the prince of Lustris no less, Arabella Sterling held out hope that those weren’t mere rumors as she crossed the border over to Umbraria, home to all creatures of the night. A land where noble blood like hers was a highly coveted delicacy.As such, she wasn’t turned away, but since the Eleazars ran no charity, Arabella was compelled to become the sole blood provider to the heir of the family in exchange for safety.Though never, in a million years, did she imagine that what had started as a simple trade off, could morph into a swirl of tangled passion when the cold and stoic vampire she served showed interest in the young woman beyond the crimson nectar coursing her veins.

Opening her eyes, Qiao Sang found that she was dressed as a junior high school student.

Then came a mock test.

Is she afraid of 985 graduation?

She was afraid…

What is the test for?

What is the name of the final evolved form of the Stinky Loach?

What planets have humans colonized?

…

Welcome to the world of beast control.

- Description from novelbuddy

This book is also known as ’Because I Spoiled My Wife Too Much, I Was Forced to Become an Invincible Antagonist.’ Gu Lan transcended into a fantasy novel as a supporting scholar. He even gained a beautiful and delicate wife. He had initially planned to live quietly, avoiding all kinds of trouble based on the original plot, and spending his life peacefully with his beloved wife. But he happened to acquire the ’Read and Copy Books System’! As long as he read and copied books, he could extract cultivation, becoming a saint and even a deity! Due to being overly invincible, Gu Lan casually crushed major antagonists when he ventured outside. Sons and daughters of fortune were eager to acknowledge him! As his strength skyrocketed, his career went surprisingly smoothly as well. One day, Gu Lan, the top scholar from the high school examination, entered the palace and saw a stunning empress behind the curtain, who looked very familiar! “Babe?” “Darling, don’t you not recognize me when I put on the dragon robe?” “...” From that day on, the whole world knew about this extraordinary couple. The original male protagonist: “He’s already a Heavenly Emperor, and I’m just at the third stage of martial power. How am I going to compete?”