Beta Floor 101 had been transformed overnight—courtesy of Veldora's infinite pure destruction-and-creation energy and Takumi's Otaku Art Creation Techniques—into a grand ceremonial hall that looked like the final boss arena from the most over-the-top isekai finale ever animated. Crystal pillars glowed with soft golden light, holographic cherry blossoms drifted lazily through the air, and a raised dais sat at the center like a throne room crossed with a limited-edition figure display case. Rail-X miniatures circled the ceiling in slow, respectful loops, their synthetic voices humming a soft, dramatic orchestral theme Takumi had composed on the spot.
The entire inner circle of Tempest had gathered. Shion stood proudly beside a floating buffet of "Naming Day Onigiri," Oni-giri the First perched on her shoulder wearing a tiny ceremonial sash. Benimaru leaned against a pillar, arms crossed, already drafting mental incident reports. Milim bounced on her toes, cotton-candy dispenser in hand. And Ramiris zipped around like a pink firework, wings buzzing with unrestrained hype.
"Master Veldora! Master Veldora! Look at the hall your infinite energy made! The Great Ramiris declares this the most epic naming ceremony in Dungeon history! Come out of your room and see your disciple's masterpiece!" she squealed at the ceiling, hands cupped around her mouth as if volume alone could drag the Storm Dragon from his sanctum.
From the tenth-floor manga fortress, Veldora's deep, scholarly voice rolled across the shared mental link, warm with ancient wisdom yet dripping with otaku smugness. "Hah! The tiny queen has invoked my title yet again. Probability of her turning this solemn naming into a gacha raffle: 97.3%. I remain here supplying the nation's endless creative and destructive power from my Fortress of Solitude while conducting critical research on the new volume of Slime Hero Chronicles. Takumi, ensure the live feed captures the aesthetic lighting. Dramatic side-lighting only—no harsh shadows on the Primordials."
Takumi's voice chimed in, casual and full of programmer nostalgia. "Takumi that, Master Dragon Bro. Back when I was alive—seventy-two-hour coding crunch on that isekai VRMMO, zero sleep, energy drinks as my only friends—I stood up screaming 'THAT'S THE GOOD STUFF!' during the anime hero's final form reveal and… bam. Heart attack. Classic karoshi with extra otaku seasoning. Now I'm a Manas turning naming ceremonies into premium anime events. Infinite energy feed stable at 400%. Lights, camera, family moment!"
Rimuru floated at the center of the dais, tiny slime form glowing softly with the brotherly warmth of Veldora's supply line. The three Primordial Demons knelt before him in perfect formation—White elegant and composed, Yellow radiating barely-contained battle energy, Purple practically vibrating with playful mischief. Diablo stood at Rimuru's right, posture impeccable, a faint proud smile on his lips.
"My lord," Diablo intoned smoothly, "the Primordials answered the beacon of Master Veldora's infinite energy. They seek not domination, but the family you offer. The naming is yours to bestow."
Ramiris zipped between Rimuru and the kneeling demons, striking a dramatic pose mid-air. "Master Veldora is watching! Make it flashy! The Great Ramiris will provide live commentary and free gacha pulls for the audience!"
Shion clapped so hard a nearby onigiri trembled. "Lady Ramiris is correct! Oni-giri, prepare the ceremonial rice balls—extra golden threads of infinite energy for flavor!"
Oni-giri bobbed wearily. "As you wish, Mistress. Though I predict the 'emotional' flavor will taste suspiciously like second-hand embarrassment and seaweed."
Benimaru sighed the sigh of a man who had accepted chaos as a lifestyle. "We're naming literal Primordial Demons like it's a pet adoption day. My report is just going to be crying emojis at this point."
Milim pumped her fist, mouth full of cotton candy. "Name them something cool! Like 'Explosion Sisters'! Or let me name one—I call dibs on the purple one!"
Rimuru raised a tiny hand for calm, the weight of the moment settling warmly in his core. The infinite energy link with Veldora pulsed like a steady heartbeat—creation and destruction in perfect balance, shared freely with every soul in Tempest. These ancient beings had answered not out of fear, but genuine curiosity. He wanted them to feel what he had built: home.
"White," Rimuru began, voice gentle yet firm as he placed a pseudopod on her shoulder. Golden threads of Veldora's energy wove visibly between them. "You stood apart for eons, elegant and alone. From today, you are Testarossa—my devoted shadow, my elegant guardian. Welcome to the family."
Testarossa's silver hair shimmered as the name settled into her soul. Her refined mask cracked for a heartbeat; a soft, almost shy smile touched her lips. "Testarossa… how lovely. I feel… seen. Thank you, Lord Rimuru. I shall serve with every graceful thread of my being."
Ramiris cheered so loudly the holographic blossoms fluttered. "Master Veldora! She smiled! Your infinite energy did that! Testarossa is so cool—elegant ice queen vibes!"
Veldora's chuckle boomed, wise and fond. "Magnificent. Probability of her becoming Shion's tea-time rival: 82%. Takumi, capture that subtle blush pixel by pixel."
"Already rendering in 4K otaku quality. Elegant naming get! Next up: explosion hours."
Next, Rimuru turned to Yellow, whose golden hair crackled with restrained lightning. "Yellow, your strength has shaken worlds, yet you sought something worth fighting for. From this day, you are Carrera—my fierce protector, my unstoppable force. Fight for us, and laugh with us."
Carrera's eyes blazed as the name sank in. She punched the air so hard a small shockwave ruffled everyone's hair, then grinned like a kid handed the ultimate weapon. "Carrera?! Sounds fast, strong, and ready to wreck face! Hah! I love it! Lord Rimuru, I'm gonna smash every problem that looks at you funny—and then ask for seconds on whatever that pink chef is cooking!"
Shion beamed dangerously. "A worthy new sparring partner! Oni-giri, add 'Carrera Special Spicy Onigiri' to the menu—extra destruction flavor!"
Oni-giri sighed. "Mistress, I fear the kitchen will file for workers' compensation."
Milim tackled Carrera in a hug. "You're my new explosion buddy! Let's test your name with a training room demolition later!"
From the sanctum, Veldora laughed deeply. "Hah! The hot-blooded one receives a name worthy of her spirit. Probability of property damage increasing by 300% within the hour: certain. Takumi, prepare the safety barriers in advance."
"Safety barriers already deploying. Also sketching Carrera's 'hot-blooded rival' anime intro sequence. This is gold."
Finally, Rimuru reached Purple, who was practically bouncing on her knees, pigtails swaying with chaotic glee. "Purple, your chaos has danced through eternity, but now it has a home. You are Ultima—my playful shadow, my joyful storm. Bring laughter and mischief to our family… just try not to explode the capital on day one."
Ultima squealed and launched herself forward, hugging Rimuru's slime form with surprising gentleness. Sparkly explosions of harmless pink energy popped around her like celebratory fireworks. "Ultima?! That's the cutest, most destructive name ever! Lord Rimuru, I'm gonna prank everyone so hard they'll love it! And make cotton-candy explosions! And—Master Veldora, your energy feels like infinite fun juice!"
Ramiris zipped in and high-fived Ultima mid-hug. "Master Veldora! She called you Master too! The Great Ramiris is so proud! Ultima is now my official chaos co-pilot! We're gonna make a prank floor together!"
Diablo adjusted his gloves with perfect elegance, though his eyes sparkled with rare warmth. "They are yours completely, my lord. Master Veldora's infinite supply sealed the bonds. Testarossa, Carrera, Ultima—serve with the devotion I do."
Testarossa rose gracefully. "With pleasure." Carrera cracked her knuckles. "Hell yeah!" Ultima spun once, giggling. "Family party time!"
The hall erupted in cheers. Shion passed out onigiri that glowed with faint golden threads. Benimaru muttered about "three new walking natural disasters" while secretly smiling. Milim demanded a group photo (holographic, of course). Ramiris led an impromptu chant of "Master Veldora! Master Veldora!" until Veldora threatened—jokingly—to gift her a temporary "silence" debuff.
Rimuru floated among them, feeling the brotherly link pulse stronger than ever. The refined naming wasn't just words; it was threads of infinite energy weaving ancient power into something warmer, funnier, more alive. Veldora the wise, funny shut-in otaku elder supplied endless possibility from his manga cave. Takumi the reincarnated programmer turned solemn moments into heartfelt anime climaxes. Ramiris hyped everything into joyful chaos. Diablo expanded the family with elegant precision. And now Testarossa, Carrera, and Ultima—Primordial Sisters—laughed and bickered like they had always belonged.
Veldora's final transmission carried big-brother pride beneath the otaku layer. "Well done, little brother. The supply line flows eternal. I return to my research—episode 49 awaits. But know this: the shut-in dragon rests easy knowing his family has grown by three formidable sisters. Takumi, extra butter on the popcorn."
"You got it, Master Dragon Bro. Ceremony highlight reel already editing. New party members acquired—no wipes, maximum heart points."
As the group dispersed into celebration—Testarossa politely declining Shion's "elegant rice ball duel," Carrera challenging Milim to an arm-wrestling match that cracked the floor, Ultima and Ramiris already plotting their first joint prank—Rimuru felt the unique dynamics deepen once more. Tempest wasn't just stronger. It was louder, brighter, and infinitely more fun.
Outside the Dungeon, the winds carried golden sparks of creation, the scent of fresh onigiri, and the distant, excited laughter of three newly named sisters already calling their lord "family."