Helga, in her turn, told him of her lonely life with her fierce old father, and of how she had always longed to have some one of her own age as a companion.

“But what shall I do when I am left alone again?” she asked, with tears in her eyes.

“Be comforted,” Sigurd said, as he took her hand in his. “I must return to my stepmother, but I will come again, and take you away with me to my own home.”

As they returned, Helga said: “To-morrow we shall have more freedom, for my father goes to a great gathering of giants, and I will show you over the castle in his absence.” When they reached the house, Helga touched him with her ring, and once again Sigurd became a bundle of wool, and passed the night on a shelf in the hall.

Next morning, almost at break of day, Helga’s father departed, and Sigurd was enabled to resume his natural form at once. They walked and talked for some time, and then Sigurd reminded Helga of her promise to show him over the castle. She produced a huge bunch of keys, and together they passed through room after room, each one more beautiful than the last.

“And what is that key for?” asked the prince, pointing to a very strange one, which Helga had not yet used.

“That is my father’s secret room. The key is of a different pattern to all the others.”

“It is, indeed. But surely you will not refuse to let me see that room also?” And as he spoke, they passed to a door strongly studded with great iron nails. He entreated Helga not to refuse his request. “This, I am sure, is the door.”

“Yes, you are right. But if I open the door you must only just peep in, for I myself am terrified to go inside.”

“Nothing can hurt you while you are with me,” Sigurd said, placing his arm round her; and, with trembling fingers, Helga fitted the key into the massive lock, and opened the door a couple of inches. But Sigurd pushed it wide open and boldly stood in the doorway. There he saw a magnificent horse, richly caparisoned, eating golden hay, while, suspended to the rafters above its head, hung a sword sheathed in gold, with these words engraved on the hilt—