Women's World: I am the man with the most OP auxiliary class - Chapter 16: Ragna gives me a, KABEDON! (r-18)

Will, a seasoned game designer, found himself reincarnated as the disposable villain in a cliché “kicked out of the party” novel. Faced with his inevitable tragic fate, he had one ambitious dream: to turn the pitiful “losers” from the protagonist’s harem into terrifying blackened bosses who would torment the protagonist!He taught the timid and cowardly wolf-girl maid to imprison the one she loves forever by her side.He trained the tsundere, sharp-tongued loli witch to make her beloved see only her in his eyes.He guided the cold and clueless half-elf princess to use…—

Once, because of a pair of purple eyes he was scorned. He is a wangye known across the land, cold and bloodthirsty, looking disdainfully upon the world.

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

William was once a gamer ranked in top 20 worldwide. After his death, he found himself in the body of an insignificant NPC in the game “God's Apocalypse.” This NPC was doomed to die early in the game, filling William with dread because he knew he had only three months to live.The game world of “God's Apocalypse” was rich with many different fantasy races, from elves to dwarves, each offering unique opportunities for him to make use of, as well as challenges to home oneself.William was terrified because he had the knowledge of the game's future but lacked the power to change his fate.However, he was not without options. He retained his game panel and the unique talent “[Jack of All Trades],” which allowed him to learn skills from various professions.William realized that when the game's beta opened, players would arrive. As an NPC, he could assign quests to them and use his knowledge of the game's future to manipulate them to do his bidding.He began to leverage the abilities of the players to alter his fate and grow stronger.William made alliances with various races, gaining their trust and learning their secrets. This enabled him to transcend the boundaries of his initial condition and steadily increase his power.As William's power grew, players in the game started to complain: “This boss is impossibly strong and keeps getting stronger, we demand a nerf!” They were frustrated by his rapid progression and the unique challenges he posed.In contrast, the elves venerated him: “Lord William is the ultimate chosen one, bringing an unparalleled peace to our realm.” They saw him as a savior who brought stability and hope.The mages revered him as well: “He is the trailblazer of magic, our protector. His name, William Cain, is synonymous with the god of the arcane.” They admired his innovative approach to magic and his role in advancing their knowledge.When asked how he managed to achieve such feats, William simply responded, “Knowledge is power, and it's the one thing I don't lack.”