Craft a mesmerizing visual representation of the legendary sword Excalibur, embedded in an ancient stone, shimmering with an otherworldly radiance. The blade, forged of the finest steel, gleams with a divine light, reflecting the powerful magic imbued within. The hilt, adorned with intricate, ornate designs, exudes an aura of regal majesty and timeless elegance. Surrounding the sword, a mystical mist swirls and dances, hinting at the mystique and power of this iconic weapon. The stone itself, weathered and ancient, bears the weight of centuries of history and legend, adding a sense of gravitas to the scene. Let the image evoke a sense of wonder, magic, and destiny intertwined in the tale of Excalibur.