A breathtaking visual of a grand Obsidian Fortress rising majestically amidst billowy clouds, its dark, glossy surfaces reflecting the radiant sunlight. The fortress is adorned with intricate carvings and towering spires, surrounded by a swirling mist. Below, a sprawling valley lies, with hints of ancient ruins peeking through lush greenery, and a distant mountain range framing this enigmatic stronghold against a vibrant sky painted in hues of orange and purple.