In a high-fantasy world, dominated by the vast ocean that covers it, the leviathan rises from its depths with an aura of power and majesty. The creature's vibrant magic glow illuminates the intricately detailed armor plating covering its formidable frame. With each rise and fall of its massive tail, volcanic vents erupt on the ocean floor below, creating a mesmerizing dance of fire and water. As it surfaces to breathe in the open air, the leviathan's sheer size dwarfs even the tallest ships that sail the seas. The enchanted forest nearby shudders in awe at the creature's presence, its glowing runes flickering with reverence. A painterly rendition of this mythical beast dominates the canvas, capturing every intricate detail and magical element.