Transmigrating as an Extra, But the Heroine Has Regressed?! - Chapter 314: The Forbidden Library.

Seventeen-year-old Grayson has endured a harrowing childhood, leaving him with a dark and twisted philosophy. Driven by this painful doctrine, he imposes his skewed beliefs on everyone and everything around him. His malevolent actions draw the attention of an ancient evil, an entity wrapped in darkness and legend. This being sees in Grayson the potential to carry on its legacy.As the ancient evil begins to mold Grayson for a future drenched in darkness, he finds himself drawn deeper into a web of manipulation and control. Questioning whether he has the strength to defy the fate that has been thrust upon him.Theós, an ancient deity whose origins are lost to time, rules with an iron grip, instilling fear and absolute control over those who dare challenge him.“If it is not within Theós' plan, it cannot be done!”

After an accidental death, in order to continue to live, Gu Bai had to choose to go through various wonderful books to complete tasks.

Every time he became a variety of small cannon fodder inside the story, Gu Bai’s code of conduct when completing task is – by all means, don’t be inferior, don’t be shameless, don’t be upright… hold on to a golden thigh.

… N times after transmigrating

Cannon fodder: (angry contempt) … You’re already so powerful, why are you still shamelessly holding on to a golden thigh to deal with us!?

Gu Bai: (deadpan) That… holding and holding… got used to it…

- Description from Novelupdates

22nd Century. An era hailed as the Age of Advancement and Peace.And for the better half of the century, it was an era where humanity lived side by side with alien races, their united empire ever expanding and flourishing.But the peace that everyone thought would last forever was taken by the very people who swore to keep it.The entire galaxy was plunged into war, a conflict fueled by the insatiable greed of those at the top, hidden behind the age-old lie that the enemy wished to destroy them.Vlad Igor was just another nameless soldier in the galactic war, a conflict that stripped him of everything he held dear, first his peace and then his family.When he thought the senseless war was over, their rulers betrayed him once more, taking away his hope.Vlad died, and as Darkness engulfed his senses, he thought he could finally rest, but fate had other plans for him.Sent back in time, Vlad found himself in the beginning of when everything began, when the first embers of the great war were just beginning to ignite, shaping the future that took everything from him.Vlad could now enter the world of Ascension and, with his knowledge and experience, amass power and influence that could possibly prevent the war.But can Vlad, a lone man, stand against the Titans who rule hundreds of stars, command billions, and will stop at nothing, pay any price, to keep their grip on power?

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates