Iðunn

Loki led Iðunn across Bifröst, promising to show her a tree whose golden apples resembled those in her ash box. She carried her own apples so they could be compared. As soon as they crossed the bridge, Þjazi swooped down in eagle form and carried Iðunn and her basket over the sea to Jötunheim. He shut her in his stronghold at Thrymheim. She sat behind a barred window, afraid and weeping for her husband Bragi and her friends in Ásgarðr. Þjazi could not force her to share the apples.

Months passed. Without Iðunn, the gods grew old, weak, and grey. Odin called a meeting in Gladsheim, but Iðunn and Loki were absent. The gods found Loki asleep in a field, bound him, and dragged him before Odin. Loki admitted that Þjazi had threatened to kill him unless he brought Iðunn to Jötunheim. Odin threatened to kill Loki unless he brought her back. Loki agreed, if Freyja lent him her falcon cloak.

Loki flew to Thrymheim and found Þjazi away on the northern sea. He reached Iðunn through the barred window, changed her into a nut, and carried her towards Ásgarðr. Some accounts include this transformation, while others leave it unstated. Þjazi returned with his daughter Skaði, changed into an eagle, and pursued him. Odin watched from Hlíðskjálf. The gods gathered wood shavings and lit a great fire at the gates. Loki flew over the flames. Þjazi followed, and the fire burned his wings. The gods killed him. Loki restored Iðunn, and the apples made the gods young and strong again.