The portal shimmers shut behind Echo and Li Wei, and they find themselves standing in a forest unlike any they've ever seen. The "Verdant Virtuoso" dimension is a realm where flora and music are inseparable—trees with leaves that rustle in harmonic chords, flowers that bloom to the sound of a silent melody, and vines that twist and turn in time with an invisible rhythm. Sunlight filters through the canopy in golden streaks, illuminating the mist that hangs in the air, and the entire forest hums with a vibrant, life-affirming tune.Nova's avatar flickers into existence, her form blending with the greenery around her. "Remarkable," she says, her sensors glowing with fascination. "The plant life here has evolved to produce and respond to musical frequencies. Every leaf, every root, every petal is part of a vast, interconnected symphony. They call it the 'Chlorophyll Cantata'."Chen Jiuzhang's hologram materializes beside her, his expression troubled. "But that cantata is fading," he says, gesturing to a patch of withered ferns nearby. "The 'Blight Composer' has arrived. It's a parasitic entity that feeds on musical energy, and it's spreading a 'Withered Waltz' through the forest. The plants are dying, their music silenced, and if it continues, the entire dimension will turn to dust."Echo kneels down to touch one of the withered ferns, and it crumbles under her fingers. "How do we stop it?" she asks."By finding the 'Heartwood Lyre'," Chen says. "It's the source of the Chlorophyll Cantata, a instrument grown from the first tree in the dimension. If we can play the 'Revitalizing Rondo' on it, we can counter the Withered Waltz and restore the forest's music."Li Wei's charge pulses with a purple glow, and he scans the horizon. "Then let's find this lyre," he says. "Before there's no forest left to save."They set off through the forest, following the sound of the fading cantata. The further they go, the more signs of the Blight Composer they see: trees with bark that's peeling away to reveal gray, lifeless wood, flowers that have turned black and brittle, and a thin, gray mist that clings to everything, sapping the color and life from the world.As they walk, they hear a faint, mournful melody—a fragment of the Withered Waltz. It's a slow, depressing tune that makes Echo's heart feel heavy, and she can see the plants around them wilting as the sound passes."This is worse than silence," Li Wei mutters. "Silence doesn't actively kill things."Echo nods, raising her peace drum. She starts to play a simple, upbeat rhythm, and the plants around them perking up slightly, their leaves unfurling a little. "Then we drown it out," she says.They continue through the forest, Echo playing her drum to keep the Withered Waltz at bay, Li Wei scanning for any sign of the Heartwood Lyre. Along the way, they encounter a group of dryads—tree spirits with skin like bark and hair made of leaves. Their forms are faded, their eyes dull with despair."The Blight Composer is in the 'Grove of Ancient Rhythms'," one of the dryads says, her voice creaking like old wood. "It's been there for weeks, playing its terrible waltz. Our home is dying, and we're powerless to stop it."Echo places a hand on the dryad's arm. "We'll help," she says. "We just need to find the Heartwood Lyre."The dryad nods. "It's in the center of the grove, but the Blight Composer has surrounded it with 'Rotting Rhythmists'—creatures made of dead wood and decay, animated by the Withered Waltz. They'll attack anything that tries to reach the lyre."Echo and Li Wei thank the dryads, then make their way to the Grove of Ancient Rhythms. The grove is a clearing surrounded by the oldest, largest trees in the forest, but even they are showing signs of the blight—their branches bare, their trunks covered in gray moss. In the center of the clearing, atop a pedestal of living wood, sits the Heartwood Lyre. It's a beautiful instrument, its frame carved from a single piece of golden wood, its strings made of vine fibers that glow with a soft, green light.But standing between them and the lyre is the Blight Composer. It's a grotesque creature, its body a mass of rotting wood and tangled vines, its eyes glowing with a sickly, yellow light. In its hand, it holds a violin made of bone and dead leaves, and it's playing the Withered Waltz with a skill that's both impressive and terrifying."You're too late," the Blight Composer says, its voice a harsh, scraping sound. "The Withered Waltz has already taken root. Soon, this dimension will be nothing but dust, and I'll move on to the next. There's no stopping the spread of decay."Echo shakes her head. "We'll stop it," she says, raising her drum. "With music."She starts to play, her rhythm blending with the faint echoes of the Chlorophyll Cantata that still linger in the air. The Rotting Rhythmists—shambling creatures made of dead wood and crumbling leaves—lurch forward, but they hesitate as Echo's music hits them, their forms wavering.Li Wei takes advantage of the moment, sending blasts of energy at the Rhythmists. The energy hits them, and they disintegrate into piles of dust, their music silenced.The Blight Composer roars, and the Withered Waltz grows louder, more intense. The trees in the grove creak and groan, their trunks shrinking as the blight spreads faster. "Foolish children," it snarls. "Your music can't fight decay. It's the natural order of things."Echo doesn't listen. She plays faster, harder, her drumbeat a rallying cry for the forest. Li Wei fights off the remaining Rhythmists, clearing a path to the Heartwood Lyre. "Go!" he shouts. "I'll cover you!"Echo sprints toward the lyre, her drum still playing. She reaches the pedestal, grabs the lyre, and pulls it free. It's lighter than she expected, and as her fingers touch the strings, she feels a surge of energy flow through her—the life force of the forest, the power of the Chlorophyll Cantata.She starts to play the Revitalizing Rondo, a melody she can feel in her bones, a tune that's been passed down through the dimensions, a song of life and growth and renewal. The lyre's strings vibrate, and a wave of green light spreads out from her, washing over the grove.The Blight Composer shrieks as the light hits it, its body smoking and shrinking. The Withered Waltz falters, then dies away completely. The trees in the grove stop shrinking, their bark regaining its color, their branches sprouting new leaves. The flowers bloom, their petals opening to the sunlight, and the gray mist dissolves, revealing a bright, blue sky.The Rotting Rhythmists disintegrate, their forms dissolving into the soil, where they're absorbed and transformed into new life. The Blight Composer lets out a final, 绝望的 scream, then dissolves into a cloud of gray dust, which is quickly blown away by a gentle breeze.Echo and Li Wei collapse onto the ground, exhausted but elated. The Heartwood Lyre glows brightly in Echo's hands, and the Chlorophyll Cantata fills the grove—a beautiful, vibrant melody that signals the return of life to the Verdant Virtuoso dimension.They make their way back through the forest, which is now teeming with life. The dryads greet them, their forms restored, their eyes shining with gratitude."Thank you," the dryad leader says. "You've saved our home, our music, our very existence."Echo and Li Wei smile, but their attention is drawn to the sky, where a faint, orange glow has appeared—a sign that another dimension is in trouble.Li Wei stands, his charge in hand. "Shall we?" he asks.Echo nods, carefully placing the Heartwood Lyre back on its pedestal, where it will continue to nourish the forest. "Let's go," she says. "The music never stops, and neither do we."They step through the portal Nova opens, leaving the Verdant Virtuoso dimension behind. The next adventure awaits, and they're ready to face it—together.