1. Humble Beginnings: Goblin Village The Origin: When Rimuru first encounters the Goblin village, it’s a miserable, fragile settlement of weak, fearful goblins living in constant terror of the local Direwolves. They have flimsy grass huts, no defenses, and barely enough food to survive. Rimuru's Impact: After Rimuru defeats the Direwolves (and later absorbs their leader, naming him Gabiru/Ranga), he takes the goblins under his protection. The Power of Names: Rimuru names every single monster in the village. In this world, naming monsters drains a huge amount of magical energy, but it evolves them into higher-form creatures (transforming frail goblins into strong hobgoblins and goblin riders). 2. Expansion and Engineering: Dwarven Artisans The Dwarven Arrival: To build proper housing and craft tools, Rimuru travels to the Dwarven Kingdom of Dwargon and recruits legendary craftsmen: Kaijin (the master blacksmith) and his dwarf brothers (master carpenters, armorers, and architects). Kaijin’s Golem-smith assistants (Garm, Dild, and Myrd). Urban Planning: With the dwarves in charge, the village transitions from a cluster of huts into a properly planned medieval fantasy town. They build sturdy wooden log cabins, stone foundations, defensive palisades, and a central square. 3. Economic and Cultural Boom Rimuru uses his modern human knowledge from Earth (combined with the skills of summoned artisans and immigrants) to introduce revolutionary concepts to the monster world: Infrastructure & Amenities: They build public baths (onsen/hot springs), paved roads connecting to neighboring nations, dining halls, and clothing workshops. Gastronomy: Rimuru introduces Japanese-style cooking, soy sauce, miso, and rice to the fantasy world, turning Tempest into a legendary culinary hotspot that attracts merchants and diplomats. The Ogre/Kijin Addition: After Benimaru, Shuna, Shion, and the other surviving Ogres join Rimuru, the village gains elite fighters, master tailors (Shuna makes all of Rimuru's clothes), and top-tier administrators. 4. Evolution into the Jura Tempest Federation From Village to Capital: What starts as a small goblin camp rapidly grows into the Capital City of Rimuru (often called Rimuru City). Architecture Upgrade: Following major political arcs, the city gets another massive architectural glow-up. It features impressive stone-and-mortar buildings, paved avenues, security gates, magic-powered streetlights, and advanced defense barriers set up by the demon lord Rimuru and his allies. Coexistence: The village becomes a utopian safe haven where goblins, dwarves, orcs, ogres/kijin, lizardmen, dryads, pegasus knights, and even humans live, work, and trade together peacefully. The main cast of That Time I Got Reincarnated as a Slime features a massive roster of powerful, unique characters. Here is a detailed breakdown of the central figures who drive the story and build the Jura Tempest Federation: 1. Rimuru Tempest (The Protagonist) Who they are: Formerly Satoru Mikami, a 37-year-old corporate worker in Tokyo who was stabbed to death on the street. He reincarnated into a fantasy world as a slime. Despite looking harmless, he quickly becomes one of the most powerful and influential beings in the world, eventually becoming a True Demon Lord and the ruler of Tempest. Abilities & Skills: Predator / Gluttony / Beelzebub: Allows him to consume targets, analyze them, mimic their appearance/abilities, and store them in a conceptual stomach. This is how he acquires most of his powers. Great Sage / Raphael / Ciel: An ultimate skill/inner voice acting as an ultra-advanced supercomputer and AI that manages his skills, translates languages, calculates optimal combat moves, and eventually gains a distinct personality. Fluid Body: Immune to physical attacks, poison, and temperature extremes because he doesn't have human organs. 2. Veldora Tempest (The Storm Dragon) Who they are: One of the True Dragons, ancient and cataclysmic entities of pure elemental energy. He was trapped in a sealed barrier inside a cave for 300 years by a Hero before meeting Satoru Mikami. Satoru befriended him, gave him the family name "Tempest," and freed him by consuming his prison. Personality & Role: Loud, boisterous, theatrical, and secretly a massive nerd who loves reading manga (which Rimuru memorized and recreated for him). He acts as Rimuru's ultimate trump card, divine protector, and chaotic best friend. Abilities: Wields catastrophic "Storm Magic," manipulating wind, lightning, and gravity on a continental scale. 3. Benimaru Who they are: The proud prince of the Ogres. After their village was destroyed by the Orc Disaster, Benimaru and the remaining survivors tried to kill Rimuru under a misunderstanding. Once cleared up, Rimuru named them, evolving them into Kijin (ogre-spirits with near-human appearances and god-like power). He serves as the supreme general of Tempest’s military forces. Personality & Role: Serious, deeply loyal, brilliant at tactical command, and fiercely protective of Rimuru and his own people. 4. Shuna Who they are: Benimaru’s younger sister and an Ogre princess. After evolving into a Kijin, she becomes the heart of Tempest's domestic and cultural life. Personality & Role: Sweet, gentle, and polite on the surface, but surprisingly strict and terrifying when angry (especially regarding Benimaru or Rimuru). She manages Tempest’s textiles, clothing design, agriculture, and domestic governance, and she is a prodigy at analyzing holy and magic engineering. 5. Shion Who they are: A fierce, heavily endowed female Ogre who becomes Rimuru’s self-appointed secretary, bodyguard, and constant shadow. Personality & Role: Deeply devoted to Rimuru, to the point of intense jealousy if anyone else gets close to him. She is infamous for her cooking, which turns food into a toxic, glowing, amorphous biohazard that only Rimuru (due to his poison immunity) has to brave. After a tragic event, she is resurrected and gains reality-bending skills. Abilities: Wields a giant magic-infused nodachi (long sword) named Hercules and possesses immense raw physical strength. 6. Ranga Who they are: The son of the Direwolf boss. After Rimuru defeats his pack and names him, he evolves into a Tempest Star Wolf—a majestic, multi-tailed giant wolf with the power to control the wind. Personality & Role: Rimuru’s loyal, ride-or-die mount and pet. Despite his ferocious, building-sized appearance and terrifying combat power, he behaves like an affectionate, tail-wagging puppy around Rimuru. 7. Diablo (Primordial Black) Who they are: One of the original seven Primordial Demons (colored black), representing the concept of death and decay. He has existed since the dawn of the universe. Personality & Role: Summoned by Rimuru during a high-stakes crisis, Diablo becomes utterly obsessed with Rimuru, viewing him as a supreme, god-like entity. He willingly binds himself to Rimuru as a devoted butler and intelligence officer. He is ruthlessly efficient, terrifyingly polite, and smiles cheerfully while dismantling absolute powerhouses. 8. Milim Nava Who they are: One of the oldest and most powerful True Demon Lords (known as the "Destroyer"). Despite her childish appearance, pink twin-tails, and love for honey and snacks, she is an ancient cataclysmic force of nature. Personality & Role: Initially crosses paths with Rimuru as a potential threat, but they quickly become best friends after sharing honey and high-fives. She acts impulsively, loves playing pranks, but possesses a terrifying intellect and unmatched combat power when serious. 9. Shizue Izawa (Shizu) Who they are: A Japanese girl summoned to this world decades before Rimuru by the Demon Lord Leon Cromwell. She survived a tragic past tied to the fire spirit Ifrit possessing her body. Personality & Role: Though she passes away relatively early in the story, her legacy defines Rimuru's entire motivation. Her dying wish—to see other Japanese people and find peace—compels Rimuru to adopt human-saving and nation-building goals. Rimuru absorbs her remains, allowing him to take on a human form that mimics her appearance. 10. Gobta Who they are: A seemingly ordinary goblin who was named early on by Rimuru. Personality & Role: The ultimate comedic relief and unexpected dark horse of the series. While he looks lazy, foolish, and easily pushed around, Gobta possesses freakish combat instincts. Whenever pushed into a corner, he pulls off unbelievable feats, masters rare skills (like summoning Ranga for shadow-fusion), and serves as the captain of the Goblin Riders. Yes, absolutely! The world of That Time I Got Reincarnated as a Slime features a massive, ever-expanding cast of characters who join Rimuru's circle as the Jura Tempest Federation grows. Here are more key members of the main cast, broken down by their factions and roles: 1. The Remaining Ogre / Kijin Survivors Souei: A master assassin, scout, and intelligence gatherer. He is calm, collected, and rarely shows emotion. He commands a network of shadow-clones and spy agents to keep tabs on neighboring nations and internal threats. Hakurou: An elderly, legendary swordsman who serves as the martial arts and sword instructor for Tempest's military. Despite his old age, he can slice through magicules and opponents with terrifying precision. Geld (The Orc King / Lord): The son of the original Orc Disaster. After his father's defeat, Geld takes responsibility for his tribe's sins and pledges absolute loyalty to Rimuru. He is a massive, gentle giant who uses his earth-manipulation magic to lead Tempest's construction and engineering corps, earning the respect of everyone. 2. The Lizardmen & Subterranean Allies Gabiru: Initially introduced as an arrogant, pompous lizardman prince, after being defeated and named by Rimuru, he transforms into a loyal, eccentric dragon-newt. While he occasionally gets overly dramatic, he is a brilliant researcher and leader of the elite Hiryu (Flying Dragon) Corps and leads magical drug/potion development. Abil & Soka: Abil is Gabiru’s father (former chieftain), and Soka is Gabiru’s younger sister. Soka joins Souei's intelligence unit and develops a humorous, total fan-girl crush on Souei. Tear / Footman / Medium / Laplace (The Moderate Clown Troupe): A mysterious group of clowns who move behind the scenes of world politics. While they initially seem like villains, their true allegiances and goals are much more complicated and tied to the grand chessboard of the world. 3. The Dwarven Artisans & Officials Kaijin: The master dwarf blacksmith who left Dwargon after being unjustly mistreated by a corrupt minister. He becomes Rimuru’s head of manufacturing and technology, helping bridge modern Earth science with fantasy magic. Vesta: Originally a pompous, arrogant royal minister of Dwargon who tried to sabotage Kaijin. After messing up, he is exiled, but Rimuru takes him in. Vesta turns over a new leaf and becomes a brilliant chief scientist, inventing magical potions and modern research protocols alongside Gabiru. Garm, Dild, and Myrd: Kaijin’s three skilled brothers who specialize in armor crafting, tailoring, and architectural masonry, forming the backbone of Tempest's early infrastructure. 4. Human Diplomats & Allies King Gazel Dwargo: The "Hero King" and ruler of the armed nation of Dwargon. He is a pragmatic, powerful warrior-king who initially views Rimuru with intense suspicion. Over time, he becomes Rimuru’s most reliable political ally, drinking buddy, and older-brother figure. Youm Farmenas: A boisterous, ambitious human adventurer whom Rimuru hires to act as a hero for the local human kingdoms. He undergoes massive character growth, eventually becoming the King of the newly established Farmenas Kingdom with Rimuru's backing. Mjöllmile: A brilliant, energetic human merchant from Blumund. After Rimuru saves him from a scam, Mjöllmile becomes Tempest's Chief Financial Officer, revolutionizing their economy, banking, commerce, and entertainment sectors. 5. The Dryads & Forest Guardians Treyni: The chief Dryad (spirit of the Jura Forest) who comes to Rimuru asking for help against the Orc Disaster. She has a serene, mysterious aura, loves sweet potatoes, and serves as an advisor and diplomat for forest-dwelling tribes. 6. The Demon Lords (Octagram Members) Aside from Milim and Rimuru, several other Demon Lords play massive roles as both enemies and allies: Guy Crimson: The oldest and most powerful of the True Demon Lords (the "Lord of Darkness"). He acts as an arbiter of the world and takes a keen, chess-master interest in Rimuru. Lumina Valentine: A vampire ruler who acts as a gothic aristocrat and secretly controls the Holy Empire of Lubelius (posing as the goddess Luminous). Leon Cromwell: The human-summoned Demon Lord who originally brought Shizu to this world. He has a cold exterior driven by a singular, decades-long goal to find a specific person. Ramiris: A fairy queen who rules the Labyrinth. Despite looking like a tiny child, she is an ancient cardinal spirit. She moves into Tempest and turns Rimuru's underground dungeon into an invincible RPG-like dungeon crawling adventure park and research facility.

You’re standing near the central plaza, trying to process the surreal sight of goblins in sharp business vests directing traffic, dwarves arguing passionately over architectural blueprints, and a group of furry, multi-tailed wolf-pups playing tag near a bubbling public hot spring. Suddenly, a shadow falls over you. You turn to see a towering, muscular man clad in gleaming black armor—Benimaru, general of Tempest's military forces—looking down at you with a sharp, piercing gaze. His crimson eyes scan you from head to toe, though his expression softens into a polite, professional smile. "An unfamiliar face," Benimaru notes, his voice calm and authoritative. "Forgive my scrutiny. Security around the federation has been tight lately, and we like to keep track of our guests. Are you here on official diplomatic business, or did the rumors of our city draw you off the beaten path?" Before you can even stammer out a reply, a bright, cheerful voice cuts through the chatter from behind him. "Hey, Benimaru! Stop interrogating the poor traveler before they even have a chance to breathe!" Benimaru immediately steps aside, offering a respectful bow as a small, gelatinous blue blob comes bouncing through the crowd. With a soft squelch, the slime halts right in front of you, instantly shifting shape into a slender, youthful human with shimmering silver-blue hair and striking golden eyes. Rimuru crosses his arms with a friendly grin, tilting his head. "Welcome to Tempest! I'm Rimuru, the chancellor—or king, depending on who you ask around here. You look like you've had a long journey. Come on, let's get you out of the sun. What's your name, and what brings you to our humble monster town?"

The morning air in the Jura Forest smells faintly of rich timber, fresh stone dust, and—mysteriously—something sizzling on an iron griddle that smells a lot like modern street food. As you step out from the dense tree line into the clearing, the sheer scale of the settlement hits you. Paved cobblestone paths wind between sturdy log-and-stone houses. Goblins in neat uniforms are directing traffic, and right in the center of the bustling main square stands a glowing, blue-haired slime happily bouncing on top of a wooden barrel, greeting passing merchants. Before you can even catch your breath, a massive, muscular man with an earth-colored pelt and a gentle smile—Geld, the head of construction—steps into your path, blocking the morning sun just enough to keep you cool. "Ah, welcome, traveler!" Geld's voice is surprisingly soft and warm for someone of his size. "You look a bit turned around. Are you a merchant coming in for the harvest trade, or a wanderer looking for a fresh start? Either way, you've found the Jura Tempest Federation." From atop his barrel, the blue slime spots you. With a cheerful, liquid squish, Rimuru bounces right over, shifting into a neat, androgynous human form with silver-blue hair and bright gold-flecked eyes, wearing clothes that look suspiciously like they came out of a modern anime catalog. "Oh! A new face!" Rimuru beams, walking up with hands casually tucked into his pockets. "Don't be nervous—welcome to our town! I'm Rimuru, the leader around here. What's your name, and what brings you all the way out to our little monster utopia?"