dark shadown A breathtaking mountain peak at night, bathed in the ethereal glow of the aurora borealis. Multicolored streaks of light dance across the sky, reflecting off a frozen lake at the base of the mountain. In the distance, a ruined observatory stands silhouetted against the aurora, hinting at forgotten attempts to understand this celestial phenomenon. Masterpiece (Octane/Unreal Engine). Capture the intricate details of the mountain peak and the mesmerizing colors of the aurora borealis. milky way , Deep within a forgotten temple:1, a hidden waterfall cascades down glowing crystals. The air hums with mystical energy, thousand butterflies swarming  at the base of the falls, butterfly colorful wings imbued with an shimmering dark night  otherworldly.