Create a 3D model of a mysterious, ancient stone archway standing in the middle of a dense, mist-covered forest. The arch is weathered, with cracks and moss growing between the stones, giving it an eerie, forgotten feel. Vines wrap around the structure, while faint glowing runes are etched into the stone, softly illuminated. The color palette should be a mix of grey, green, and soft glowing blues, evoking an ancient magic. The archway should appear slightly tilted, as if it’s been standing for centuries. No surrounding environment needed—just the archway as a standalone model.