How does the story end?
оо
The brother who has turned into an eagle crashes into
the bird, causing the crystal ball to fall toward the
ground.
The curse on the princess is broken, she becomes
beautiful again, and the youngest son marries her.
The enchanter looks at the youngest son and says, "My
power is destroyed!"
The two eldest sons are given back their human form,
and they accompany the youngest son to the castle.