A majestic, gargantuan ancient black dragon in a realistic cinematic style, inspired by Grougaloragran from Wakfu. The dragon has obsidian-like scales with a matte, weathered texture. It features a long, flowing white beard made of thick, silky mane-like hair. Its eyes are glowing with intense, electric blue Wakfu energy, identical to the human version. The dragon has large, powerful horns and a wise, intimidating expression. The background is a dark, misty mountain peak with subtle blue magical particles in the air. High-detail textures, 8k resolution, dramatic lighting, epic fantasy atmosphere.