He came on shore, and down he fell beside the loch.
Then down went the rider. He got the ring, and he dragged the horse down to the side of a hill. He fell to sheltering him with his arms about him, and as the sun was rising he got better and better, till about midday, when he rose on his feet.
"Mount," said the horse, "and let us begone."
He mounted on the black horse, and away they went.
He reached the mountains, and he leaped the horse at the fire mountain and was on the top. From the mountain of fire he leaped to the mountain of ice, and from the mountain of ice to the mountain of snow. He put the mountains past him, and by morning he was in realm under the waves.
"You are come," said the prince.
"I am," said he.
"That's true," said Prince Underwaves. "A king's son are you, but a son of success am I. We shall have no more mistakes and delays, but a wedding this time."
"Go easy," said the Princess of the Greeks. "Your wedding is not so near as you think yet. Till you make a castle, I won't marry you. Not to your father's castle nor to your mother's will I go to dwell; but make me a castle for which your father's castle will not make washing water."