chapter 8: "The Guardian of the Deep", The Underwater World-Short Story.
Chapter 8: "The Guardian of the Deep" follows Finn and their friends as they approach Atlantis. They face a powerful guardian who challenges them with riddles and tests. They prove their worthiness with their unity, wisdom, agility, and synchronization. Impressed, the guardian allows them to enter Atlantis, where they discover profound truths and embrace their purpose as ocean guardians.