He was like a mountain, wrenched free from the tundra. His crystalline scales caught even the tiniest of light and turned it into a prismatic halo. One that overshadowed even the light of the blue sea beneath, and banished the darkness of the hollow spine.
His body was a fusion of jagged glaciers and sinewy muscle, with ridges of frost-crusted spines running down his neck and back. His wings spanned the sky, membranous sheets of translucent ice stretched taut over spiked, silver-white bones, humming with a faint, chilling resonance as they unfurled, reaching the top of the ceiling.
"Oh no..."
He was immense, the second-largest dragon they had seen, smaller only than Ariel. He was the size of one of her claws. She was the size of a continent or so, so it was understandable.
He was a mountain, and that mountain portrayed a smile on his immense face.
"Practice number 2. A fight against an extremely powerful opponent, one that also dwarfs you in size."