That Time I Got Reincarnated as a Slime Codexery

Jura Region

The wild frontier where the Demon Lord's legend first began.

Jura Region

The Jura Region stands as a pivotal geographical zone on the western continent, renowned for its dense woodlands and rugged mountain ranges. Initially serving as a treacherous hunting ground for adventurers and monsters alike, it transformed into the heartland of the Jura Tempest Federation following Rimuru’s arrival.

Location
Western Continent
Key Landmark
Jura Forest & Fenrir Mountains
Political Status
Capital Region of Tempest
Notable Residents
Tempest Monsters & Humans
Magic Density
High

Lore & Background

Before civilization took root, this land was a lawless expanse teeming with dangerous beasts and high mana concentrations. It served as a natural barrier between human nations and the deeper monster territories, often avoided by cautious travelers due to the presence of powerful predators. Rimuru’s establishment of order here revolutionized local politics, turning a chaotic wilderness into a thriving hub where humans and monsters coexist peacefully under the Federation's protection. The region's transformation symbolizes the core theme of the series: bridging gaps between species through mutual understanding rather than conflict.

In Their Own Story

Sunlight filtered through the canopy of ancient trees, dappling the mossy ground below. A translucent form hovered near a stream, observing the birds that once feared this place now singing freely. The air hummed with residual mana, a reminder of battles long past and peace hard-won. Here, the forest no longer whispered warnings to intruders; it welcomed neighbors.

Reader's Guide

The Jura Region boasts a temperate climate characterized by dense, verdant forests and imposing mountain ranges that shield the interior from harsh weather. Politically, this area evolved from a lawless monster territory into the sovereign capital district of the Jura Tempest Federation under Rimuru’s leadership. It serves as the administrative and cultural heart of the nation, housing the central city where diverse races coexist. Key landmarks include the Fenrir Mountains, which provided the initial shelter for early monsters, and the expansive Jura Forest that surrounds the settlement. The region is significant to the plot as the primary setting for Rimuru’s growth from a simple slime into a Demon Lord leader. Its high magic density attracted powerful creatures initially but eventually supported the construction of advanced magical infrastructure. For travelers, the area represents safety within the Federation boundaries, though it remains guarded against external threats like the Falmuth Empire or rogue demon lords. The landscape blends natural beauty with constructed marvels, symbolizing the harmony between nature and civilization that defines Tempest’s philosophy. It is a place where history was rewritten through diplomacy rather than conquest alone.

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