Isekai Nonbiri Nouka - Chapter 731: Returning to Shashaato City

A decade ago, the first dungeon gates appeared, but some vanished before they were ever conquered. The MC, a low-rank hunter, awakens the Lost Gate System, granting him access to these forgotten dungeons where legendary monsters and artifacts are trapped. Each completed lost gate grants him absurd power, but also reveals terrifying truths—these dungeons are prisons for ancient beings who want revenge.

“I saw with my own eyes that they used the finest, rustproof refined steel to make utensils and cans, filling them with just a little food, then casually throwing them away after eating.”“I saw with my own eyes that they used giant beasts as tall as mountains to devour soil and rocks, digging out underground cities, just to park their steel carriages beneath the surface.”“I saw with my own eyes that they fed glowing ores into an everlasting stellar furnace, unleashing a radiance brighter than the sun.”“I saw with my own eyes all those indescribable things.”“Their iron birds covered the sky, their steel ships filled the ocean, their war machines tore the earth asunder, and their gods walked upon the world.”“You must think I’m mad.”“But it doesn’t matter.”“It has already seen you.”——————Oil is Its blood.Thick smoke is Its breath.Ore and steel are Its food.The countless cargo ships in the harbors are Its myriad offspring.The place of origin stamped in the corner is Its silent mockery.They claim they are mere mortals.Child, you’d best not argue.You must understand:Their technology is beyond comprehension.Their production capacity is unimaginable.A mere glimpse of their creations will drive you insane.Their morale surpasses even the most fanatical worshippers of dark gods.How will you stop them?With your sword, child? Or your flesh and blood?You should be grateful that they still consider themselves mortals.——————“I’ve finished building my factory, and now you’re telling me this world runs on idealism?!”“Wait, then what the hell did I just create?”

Rael screwed up badly. One reckless gamble later, and his guild's entire emergency fund was gone. With debt collectors ready to harvest his organs, his only hope was a single, desperate gacha pull.Ding![Congratulations! Player: Quarterpounder69 has obtained the (Divine) Grade item, Eye of the Beast!][Divine Grade item obtained! All Stats +250][First Divine Grade item obtained! All Stats +100][New title unlocked! [Heavenly Attraction] (Divine)]With no other choice, he consumed the item—only to be thrown into a situation no player had ever faced before.[To ensure fairness, please select a random number. This will determine which boss monster variation you become.]'Uh, I don't fucking know? 69... hmm, maybe not...'[Confirmed.]'Wait—'[Congratulations! You've chosen the Special-Type Boss Monster Variation: The Pay-to-Win Boss.][Congratulations! You've become a Boss Monster!]Armed with broken perks like [Premium Leveling], [Premium Evolution], and [Premium Shop], Rael was thrust into the world of the VRMMORPG game he had been playing.The issue was, he went back in time, specifically, 150 days before the launch of version 1.0.

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline in order to reach his goal: resume his career as a teacher which he left halfway through in his previous life.This is the story of a man who based on the memories and the experiences of his previous life, became a teacher who travels through the world with his new students.