A powerful cinematic scene of Bahamut, the legendary dragon from Final Fantasy, soaring through a dark, stormy sky. He charges his signature attack, Mega Flare, with glowing wings spread wide, his eyes burning with cosmic energy. The atmosphere trembles as a massive sphere of destructive energy forms in his mouth. He unleashes the devastating Mega Flare down upon a ruined battlefield, creating a massive explosion of light and shockwaves. Epic orchestral music plays in the background. High fantasy, ultra-detailed, dramatic lighting, 4K resolution.