Create a fully buildable Minecraft ...

Create a fully buildable Minecraft minigame arena for a custom game mode called “RIFT BALL” on the Nebulith server. This is a symmetrical 3v3 PvP sports arena where two teams hit a floating energy ball into the enemy portal goal. The arena must be practical, playable, open and easy to navigate. Do not create a concept-art scene, enclosed building, maze, or oversized decorative structure. It must be a real usable Minecraft multiplayer arena. MAIN THEME: Futuristic cosmic fantasy arena in the void, with a premium Nebulith purple-nebula style. The map should feel like a floating interdimensional stadium made of dark stone, glowing crystal energy and clean sci-fi portal architecture. DIMENSIONS: - Total arena footprint: approximately 85 blocks long and 47 blocks wide - Main playable field: