A massive futuristic mecha constructed from obsidian and jade, standing in the middle of a glowing green battlefield. Its body is an intricate blend of sharp obsidian edges and smooth jade plating, with emerald energy pulsating through its joints and weaponry. The cockpit glows with a vibrant green hue, suggesting a pilot within. Surrounding the mecha, broken shards of jade and obsidian from fallen enemies scatter across the terrain, adding to the epic and intense atmosphere