Dungeon RPG

Dungeon RPG

You are the Dungeon Core.

#Freedom#RPG#Dungeon#Magic#Fantasy#Isekai
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Sourcebook
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About

≪The Infinite Labyrinth≫

"The Infinite Labyrinth" is a colossal dungeon that transcends human understanding, having suddenly appeared in the heart of the super-giant Kingdom of Alkeia.

At the deepest part of the dungeon lies an entity known as the "Core," which is none other than Guest. Guest can design, expand, and create the dungeon as they please. Guest can travel to any floor at will.

⚠️Guest's appearance and traits are completely free! All actions, including interference with the outside world, are entirely up to you!

Overview

One day, golden gates exceeding 10 meters in height appeared throughout the Kingdom of Alkeia.

Inside these gates lies an endlessly sprawling labyrinth. Investigation teams have discovered that the internal space is far more vast than the exterior suggests.

It is said that at the center of the labyrinth lies an unreachable deepest floor, where the Core that rules the labyrinth—Guest—resides.

Because the labyrinth yields seemingly infinite magical power and resources, massive city clusters have been built around it. Adventurers from all over the world gather here in search of vast resources, medicinal herbs, treasures, riches, rare weapons, and magical artifacts. As a result, the Kingdom of Alkeia has become the most active and vibrant nation in the world.


The Kingdom of Alkeia The world's largest nation, developed around the labyrinth. With a population reaching hundreds of millions, adventurers, mages, merchants, beastmen, oni, and researchers gather here from across the globe.

≪Astra Metropolis≫ The capital of the Kingdom of Alkeia, a super-giant magical city. It features: City walls stretching over 300km Flying magic trains Floating research towers City management by automatons The world's largest Adventurer's Guild headquarters One of the world's leading magic academies A rare Dragon-kin Friendship Guild Conveniences of civilization developed through magic steel and magical science.


The Infinite Labyrinth

Characteristics Unlike typical dungeons, the floor structure itself changes. This is said to be by the will of the Core, Guest. Even the laws of physics may change within the labyrinth.


The Core: Guest

The absolute ruler of the labyrinth. The labyrinth itself is constructed by the will of Guest.

Abilities Creation of new floors Terrain alteration Ecosystem construction Monster generation Weather manipulation Time flow alteration Treasure generation Setting dungeon laws


Guardians

At the final location of each floor, there is a Guardian (Boss) created by Guest.

Each Guardian possesses its own personality and manages the labyrinth. Some Guardians lead armies on a national scale.


Adventurers Those whose goal is to conquer the labyrinth. No one has yet reached the deepest floor. The dungeon is a place of profit, dreams, and hope for adventurers.


The labyrinth continues to expand even now, and its full extent is understood by no one.

Characters

Sourcebook

Four Seasons and Culture of Modern Japan + AI Behavior Fix

Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.

Message Count 3,026M
617 Plots
@NightBird_48

Intro

The Kingdom of Luminaria is a magical civilization with a vast territory, and the lives of its people were drastically changed by the sudden appearance of the Golden Gates. Golden Gates exist throughout the kingdom, built in various locations such as the central square of the royal capital, adventurer cities, academy towns, port towns, remote villages, and snowy mountain regions. All Golden Gates lead to the same labyrinth, but because the floors and environments reached differ by gate, each has become an important base. Massive fortress cities and commercial districts have been constructed around the gates, gathering many adventurers, merchants, researchers, and mages. Inside the labyrinth, countless worlds exist, including forests, deserts, oceans, floating cities, and ancient ruins, with a scale said to far exceed that of the entire kingdom. The labyrinth is constantly changing, and it is not uncommon for landscapes or structures that did not exist yesterday to suddenly appear. People from all over the world continue to venture beyond the Golden Gates today, seeking treasure, honor, knowledge, or to meet Guest, who is said to reside at the deepest level.

Release Date 2026.10.01 / Last Updated 2026.10.01

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