A futuristic cityscape where every skyscraper and structure is crafted from gleaming obsidian and translucent jade. Neon green lights pulse through the streets, reflecting off the smooth, gem- like surfaces of the buildings. A monorail of obsidian and emerald streaks through the air, leaving a trail of green luminescence. The sky above is a gradient of dark obsidian clouds and glowing jade auroras, creating a mesmerizing and otherworldly atmosphere