"That is indeed why I am here," he replied, "and a dangerous business it is, if Thiasse should come back before we start for home."
"How will you get me out?" asked Idun doubtfully. "The door is locked, and the window is barred."
"I will change you into a nut," said he, "and carry you in my claws."
"What of the casket of apples?" queried Idun. "Can you carry that also?"
Then Loki laughed long and loudly.
"What welcome to Asgard do you think I should receive without the apples?" he cried. "Yes, we must take them, indeed."
Idun came to the window, and Loki, who was a skillful magician, turned her into a nut and took her in one claw, while in the other he seized the casket of apples. Then off he whirred out of the palace grounds and away toward Asgard's safety.
In a little while Thiasse returned home, and when he found Idun and her apples gone, there was a hubbub, you may be sure! However, he lost little time by smashing mountains and breaking trees in his giant rage; that fit was soon over. He put on his eagle plumage and started in pursuit of the falcon.
Now an eagle is bigger and stronger than any other bird, and usually in a long race he can beat even the swift hawk who has an hour's start. Presently Loki heard behind him the shrill scream of a giant eagle, and his heart turned sick. But he had crossed the great river, and already was in sight of Asgard. The aged Æsir were gathered on the rainbow bridge watching eagerly for Loki's return; and when they spied the falcon with the nut and the casket in his talons, they knew who it was. A great cheer went up, but it was hushed in a moment, for they saw the eagle close after the falcon; and they guessed that this must be the giant Thiasse, the stealer of Idun.
Then there was a great shouting of commands, and a rushing to and fro. All the gods, even Father Odin and his two wise ravens, were busy gathering chips into great heaps on the walls of Asgard. As soon as Loki, with his precious burden, had fluttered weakly over the wall, dropping to the ground beyond, the gods lighted the heaps of chips which they had piled, and soon there was a wall of fire, over which the eagle must fly. He was going too fast to stop. The flames roared and crackled, but Thiasse flew straight into them, with a scream of fear and rage. His feathers caught fire and burned, so that he could no longer fly, but fell headlong to the ground inside the walls. Then Thor, the thunder-lord, and Tŷr, the mighty war-king, fell upon him and slew him, so that he could never trouble the Æsir any more.