A mystical and unusual Celtic raven perched on an ancient stone structure. The raven has shimmering black feathers with intricate Celtic knot patterns glowing subtly in blue. Its eyes radiate an eerie, magical light, and its beak is adorned with tiny runes. The raven's wings are spread wide, revealing ethereal, translucent feathers that give it an otherworldly appearance. The background features a misty, enchanted forest with ancient trees and floating, glowing orbs of light, creating a surreal and mystical atmosphere.