An epic dark fantasy animation video of a tragic apocalyptic event. A colossal, giant Dark Angel filling the entire sky. He has a deeply sad, melancholic face and very long, flowing slate-grey hair blowing wildly. He wears dark, ancient gothic black iron armor. Action sequence, The video starts with his two gargantuan black feathered wings tightly closed around him. In a powerful and continuous motion, he wide expands and forcefully beats his massive wings. As his wings spread wide open to cover the entire sky, an absolute dark shadow spreads directly from his feathers, swallowing all light and blanketing the entire world in pitch-black twilight. The daylight completely vanishes under the wings. The only remaining light is the intense, flickering glow of orange and red flames from below, casting dramatic upward firelight onto his sorrowful face and his long grey hair. High physical motion of beating wings, flying embers, photo-realistic, 8K resolution.