Guillaume passionately loved the young princess, but, unfortunately, he did not see reciprocity from her. She was always pushing him around, but her heart trembled and she decided to give him several tasks to make sure of his love. However, when the knight returned, he was terribly pale and gloomy.

Don't be surprised that I'm so pale, dear. A hundred wolves guarded your first gift, and then I lost half my blood. On the way to the second one, the eagle king pecked out my heart.