The portal dissolves into a shower of prismatic light, each color fragment warping and reshaping into impossible forms—a flying fish with butterfly wings, a castle made of clouds, a clock that ticks backward—before settling into a cohesive glow that guides Echo and Li Wei forward. They find themselves standing at the edge of a vast, misty expanse where the ground shifts like sand, each step leaving footprints that bloom into fleeting dreams. This is the "Dreamscape Expanse," the heart of the "Dream Fugue" dimension, where dreams are tangible, existing as floating islands, winding rivers of liquid starlight, and forests of trees with leaves that rustle with whispered fantasies. Around them, "Dream Fragments" drift through the air—shimmering orbs that contain snippets of slumbering minds: a child's nightmare of a monster under the bed, a scientist's vision of a breakthrough, a poet's daydream of a lover's smile. The air vibrates with the "Slumber Symphony," a surreal, ever-evolving melody that weaves together the songs of all dreams, ensuring that the boundary between sleeping and waking remains intact, and that nightmares don't bleed into reality.Nova's avatar materializes beside them, her form now composed of shifting Dream Fragments, each part of her body briefly taking the shape of a different dream image—a spaceship, a dragon, a field of flowers—before dissolving and reforming. "Fascinating," she says, her voice layered with the giggles of children and the whispers of lovers, as if she's channeling the voices of a thousand dreamers. "Every dream here emits a unique frequency based on its nature—joy produces a bright, bubbling melody, fear creates a low, trembling tune, and hope generates a warm, ascending harmony. The Slumber Symphony is the convergence of these frequencies, and it's what maintains the dimension's structure, ensuring that dreams remain a safe space for the mind to explore, process, and create. But my scans detect a corruption."Chen Jiuzhang's hologram appears, his figure surrounded by a faint aura of silver light that seems to stabilize the Dream Fragments around him. "The 'Nightmare Shadows' have invaded," he says, his voice tight with concern as he points to a cluster of Dream Fragments that have turned a dark, inky black, their surfaces rippling with twisted images—monsters with too many teeth, cities burning, loved ones vanishing. "They're a force of pure terror that feeds on the Slumber Symphony, draining the color and warmth from dreams and replacing them with a 'Terror Tone'—a high-pitched, screeching noise that amplifies fear and turns even the sweetest dreams into nightmares. Look." He gestures to a Dream Fragment containing a child's dream of a birthday party, which flickers and then transforms into a scene of the party guests turning into skeletons, the cake melting into a pool of black goo, its melody warping into a shrill, panicked shriek. "Already, dreams are being corrupted. If it continues, the Slumber Symphony will collapse, and the Nightmare Shadows will spread into the waking world, turning reality into a never-ending nightmare."Echo reaches out to touch a nearby Dream Fragment, and it pulses against her palm, emitting a cool, tingly sensation that floods her mind with a fleeting vision—a memory of her own childhood dream, where she flew over a field of sunflowers, their petals singing her name. "How can something so fragile be destroyed by fear?" she asks, watching as the fragment shifts to show a new dream: a farmer harvesting stars from the sky."Dreams here aren't just figments of the imagination—they're vital to mental health, creativity, and emotional processing," Chen explains, his hologram flickering as a Nightmare Shadow drifts past, distorting his features for a moment. "The Dream Fragments contain the raw material of the subconscious, and the Slumber Symphony ensures that this material is processed in a way that's healthy. The Nightmare Shadows don't just corrupt dreams—they erode the very ability to distinguish between fantasy and fear, making it as if the mind can only conjure terror. To stop them, we need to find the 'Lucidity Core'—a massive sphere of pure dream energy at the center of the dimension that generates the Slumber Symphony. It's formed from the first dream ever dreamed—the moment a primitive mind first imagined something that wasn't there, the first flicker of creativity in the darkness of sleep. If we can amplify its melody with our own hopes and dreams, we can dispel the Terror Tone and restore the balance between sweet dreams and nightmares."Li Wei's charge pulses with a purple light that now glows with flecks of every color of the rainbow, as if infused with the essence of the Dream Fragments. "Then let's find this Lucidity Core," he says, his voice steady despite the eerie shadows creeping around them. "No one should be trapped in endless fear, even in their sleep."They set off through the Dreamscape Expanse, their footsteps causing the shifting ground to bloom into brief, beautiful scenes—a beach at sunset, a forest full of glowing animals, a library with books that write themselves. The Dream Fugue is a place of boundless creativity—"Lucid Islands" float in the distance, where dreamers have learned to control their dreams, their surfaces shaped into impossible architectures; "Memory Rivers" flow through the expanse, their waters carrying Dream Fragments that contain repressed memories, their currents singing the stories of the mind's unspoken truths; and "Fantasy Forests" stand tall, their trees bearing fruit that, when eaten, grant brief visions of other people's dreams. But as they walk, they notice patches of darkness where the Nightmare Shadows have taken hold, the air growing cold, the Terror Tone growing louder, a sound that makes their skin crawl and their minds conjure images of their deepest fears.As they pass through a section of the expanse where a "Lucid Island" floats—a paradise where a dreamer has built a castle with walls of music—waves of Nightmare Shadows wash over the area. The island's walls begin to crack, the music warping into discordant noise, and the dreamer's form—an ethereal figure with a smile made of sunlight—begins to shrink, their expression twisting into one of terror as monsters claw their way out of the castle's floors. A group of "Dream Guardians"—ethereal beings with bodies made of starlight and eyes that glow with the warmth of a campfire—float around the island, their forms fading as they struggle to push back the shadows."The Nightmare Shadows are gathering at the 'Sanctuary of Slumber'," one of the Guardians says, their voice trembling as their starlight body flickers. "They're coalescing around the Lucidity Core, feeding on its primal dream energy. The Slumber Symphony is growing weaker, and soon, all dreams will turn to nightmares, and the mind's ability to process fear and hope will be destroyed. We've tried to sing songs of comfort, but the Terror Tone drowns them out."Echo raises her peace drum and plays a gentle, soothing melody, drawing on the sweetest dreams she's ever had—the memory of her first drum lesson, the feeling of flying in a childhood dream, the warmth of a hug from a loved one long gone. The Lucid Island's walls repair themselves, the music returning to its harmonious melody, and the dreamer's form expands, their smile returning as the monsters dissolve into mist. The Guardians' forms stabilize, their starlight bodies glowing brighter. "We'll help," she says, her voice soft but unwavering. "Dreams should be a place of healing, not fear."The Guardian nods, their starlight now steady and bright. "The Sanctuary is through that fog bank," they say, pointing to a wall of thick, gray mist that shimmers with faint, colorful lights—the glow of trapped Dream Fragments. "But beware—the Shadows have spawned 'Nightmare Spawn' to guard it. They're creatures made of pure fear, their forms shifting to match your worst nightmares, and their touch can trap you in an endless loop of terror, your mind believing the nightmare is real. One brush, and you'll never wake up."Echo and Li Wei thank the Guardian, then make their way toward the fog bank. As they step through, the mist parts to reveal a landscape that shifts to mirror their deepest fears—for Echo, it's a empty room where her drum is broken, her hands unable to play; for Li Wei, it's a battlefield where every face is one he couldn't save. But through it all, Echo's drumbeat remains steady, a anchor of calm in the chaos, while Li Wei's charge glows brighter, creating a barrier of purple and rainbow light that pushes back the illusions.Suddenly, figures emerge from the fog—Nightmare Spawn, their forms shifting to match the fears around them: a version of Echo with broken hands, a soldier with the face of someone Li Wei failed to protect, a monster made of all the mistakes they've ever made. "This is your truth," they shriek, their voices overlapping with the sounds of screaming and breaking glass. "You're weak. You're failures. Stay here, and drown in it.""Fear is just a dream," Li Wei says, firing a blast of energy that shatters the Spawn's forms, turning them into clouds of black mist that quickly dissolve. "And we're waking up."Echo nods, her drumbeat growing stronger, more confident, as she draws on the full power of the Slumber Symphony. The rhythm sends out waves of rainbow light that wash over the landscape, dissolving the illusions and revealing the true path forward—a bridge made of starlight leading to a glowing dome in the distance. "Dreams are for healing, not haunting," she says. "And we're here to set them free."They fight their way through the fog, the Nightmare Spawn reforming again and again, but each time, Echo's drumbeat and Li Wei's energy blasts dissolve them, the Terror Tone growing fainter as the Slumber Symphony is restored. Finally, they reach the Sanctuary of Slumber—a massive, domed structure made of Dream Fragments, its surface rippling with images of every beautiful dream ever dreamed. At the center of the dome, floating above a pool of liquid moonlight, is the Lucidity Core: a sphere of pure, white light that pulses with the rhythm of a sleeping heart, its surface shifting to show snippets of dreams from across the multiverse, its melody a powerful, soothing anthem that feels like a mother's lullaby.But surrounding the Lucidity Core is a swirling mass of black mist—the Nightmare Shadows in their purest form, a vortex of terror that pulses with the Terror Tone, its edges creeping toward the core, dimming its light and warping its melody into a shrill, panicked shriek. As it pulses, the Core's light shrinks, and the Slumber Symphony grows weaker, making the Dream Fragments outside the sanctuary twist and darken."You cannot win," a voice booms from the vortex, its tone a chorus of all the screams and cries of terrified dreamers. "Fear is stronger than hope. It's primal. It's real. The Nightmare Shadows will spread, and everyone will know the true horror of their own minds. There's no waking up from this."Echo shakes her head, her drumbeat growing stronger, more beautiful, as she draws on the full power of the Slumber Symphony. "Fear is real, but so is courage," she says, her voice clear and calm. "Dreams are where we learn to face our fears, to heal, to hope. And we're here to protect that."She starts to play, weaving together a melody that combines the songs of all the dreams they've encountered—the bubbling joy of a child's birthday dream, the quiet hope of a student's dream of success, the warm comfort of a lover's dream of reunion. The Lucidity Core responds, its light exploding outward, pushing back the Nightmare Shadows.Li Wei stands beside her, his charge pulsing with a light that blends purple and every color of the rainbow, channeling his own hopes and dreams into the Core. "Every dream we've saved, every mind we've protected—they're all part of this melody," he says, his voice filled with the quiet strength of a thousand dreamers.The Slumber Symphony swells, a tidal wave of sound that drowns out the Terror Tone. The Lucidity Core's light spreads across the dimension, washing over the Nightmare Shadows, which shriek—a sound like a thousand nightmares ending at once—and begin to dissolve. The Dream Fragments that had turned black regain their color, their melodies returning to their original form; the Lucid Islands stabilize, their dreamers smiling once again; and the Memory Rivers flow freely, their waters carrying healing, not fear.The Nightmare Spawn vanish, dissolving into the mist as the Slumber Symphony purifies the dimension. The Sanctuary shakes with the force of restored dreams, and the entire Dream Fugue blooms with color and light as the Slumber Symphony fills the air, stronger and more beautiful than ever before.Echo and Li Wei collapse onto the pool of liquid moonlight, exhausted but filled with a deep sense of peace. The Lucidity Core pulses with a warm, white light, and the air is filled with the harmonious sounds of the Slumber Symphony—the bubbling joy of good dreams, the gentle trembling of fears being processed, the warm ascent of hope—as the dimension is fully restored.They make their way back through the fog bank and the Dreamscape Expanse, which is now teeming with vibrant Dream Fragments and happy dreamers. The Dream Guardians are waiting for them, their forms radiant, their voices singing in a chorus of gratitude that sounds like a thousand lullabies."Thank you," the Guardian leader says, their voice a beautiful harmony of all the sweetest sounds in the world. "You've saved not just our home, but the minds of dreamers across the multiverse. The Slumber Symphony will play on, and dreams will remain a place of healing, exploration, and hope."Echo and Li Wei smile, but their attention is drawn to a faint, pulsing light in the distance—a soft, white glow that shimmers at the edge of the dimension, a sign that another realm is in need.Li Wei stands, his charge glowing with a purple light that now shines with the rainbow essence of dreams, a reflection of the hopes they've preserved. "Ready to chase the next dream?" he asks.Echo nods, slinging her drum over her shoulder, its surface now etched with a pattern of Dream Fragments that shift and change with every movement. "Always," she says. "As long as there are dreams to protect, we'll be there."They step through the portal Nova opens, leaving the Dream Fugue behind, but carrying its lesson with them: that dreams are more than just illusions—they're the mind's way of making sense of the world, of healing the past, and of imagining a better future. The next dimension awaits, and with it, new dreams to cherish and protect.