"Now that Zog has gone, I am sure we shall be very safe and contented.

But I shall not forget to come to you if we need you.

We are not going to waste any time in anger or revenge or evil deeds, so I believe we shall prosper from now on." "I'm sure you will," declared Trot.
They now decided that they must continue their journey, and as neither Sacho nor King Joe could ascend to the top of the dome without swimming in the human way, which was slow and tedious work for them, the goodbyes were said at the castle entrance, and the four visitors started on their return.

Trot took one last view of the beautiful silver castle from the hole high up in the dome, which was now open and unguarded, and the next moment she was in the broad ocean again, swimming toward home beside her mermaid friends..