A glowing blue sword with a lightning effect against a dark background.

In the depths of a starlit void, a majestic sword of ethereal beauty glows with an otherworldly blue light. The blade, sharp and gleaming, is adorned with intricate designs that shimmer under the celestial glow. The hilt, wrapped in a dark, textured material, contrasts sharply with the blade's luminosity, adding a touch of mystery and power. The background is a deep, dark blue, speckled with twinkling stars, enhancing the sword's mystical aura. Lightning streaks dance around the blade, adding a dynamic and powerful energy to the scene. This image evokes a sense of fantasy and adventure, perfect for settings involving magic, myth, or epic quests.