What goes around comes around. The tide did not simply disappear. The people of the ocean use the waves to travel onto land, which the Lightbearers do here.
There is one creature who enjoys living solitarily and holds the knowledge to bring the stars back. This is the Tauraro. The Lightbearers track the Tauraro down while it was correcting the shift of the moon to try to utilize its knowledge. In a use of its powers, it embodies a more powerful form to make an escape.
