A photorealistic, intricately detailed medieval crossbow floating in a swirling, tempestuous void, radiating with intense magical energy. The crossbow is crafted from dark, ancient wood intertwined with glowing veins of emerald and sapphire, pulsating with a living, mystical force. The bowstring crackles with arcs of neon green lightning, while the runes etched along the limbs flicker with a cold, blue flame, shifting and changing as if alive. The bolts loaded in the crossbow are tipped with molten crystal, their shafts emitting trails of shimmering stardust. Surrounding the weapon is a maelstrom of spectral winds and glowing embers, with fragments of shattered reality spiraling around it. The crossbow's radiant energy pierces through the darkness, casting eerie, otherworldly shadows. Rendered in 4K with stunning detail, this crossbow is a mesmerizing embodiment of ancient power and arcane destruction