Niko's team reaches Carapace, the perfect hiding spot, only to discover the voracious Mugwhump In its place. Chompsky, Carapace's last citizen, helps Niko and Lyra face this bloated menace, and discover a better goal than hiding.

Niko and Lyra are received by the Shrimp King, only to learn the Shrimpfolk are about to engage in a futile battle with the ferocious Mantigore to finally free the captured Dolphin Queen. Mandok forms an uneasy alliance.

Niko's new sidekick leads the team through the Endless Expanse, as Nar Est's agent tries to stop them at every turn. When the enemy reveals himself, Niko must defeat a threat from within, without his Sword.

Niko, Lyra and Mandok land on a Cloud Clipper belonging to the notorious Captain Nimbeard of the Sky Pirates. They're about to be thrown overboard, but when Nar Est sends a deadly sky monster after them, it's all hands on deck.

When a swarm of Exuber-Ants chase the team and Lyra is bitten. Niko and Mandok must retrieve a powerful suit of armor hidden deep underground from the ferocious Diggantus.

Niko leads the Army of the Light in a freewheeling final battle and discovers the true power behind Nar Est.