EXDU, cr1st4lc4v3rn, colossal crystal geode cavern, giant amethyst geodes and crystals, high amethyst crystal ledge overlooking the geode heart, low crystal fields and giant leaning crystals framing the sides, refracted purple light beams, weathered stone, subtle torchlight, low fog, absolute stillness, epic scale, broad open empty stone floor and corridor through the center, small carved spiral on a side stone base, cinematic)