The reunited Ninja learn of the Forbidden Five's dangerous quest to find the Prismatic Blades. Meanwhile, Ras leads Arin across a desert.

A mysterious mercenary attacks Ras and Arin in the World Forest. Zane and P.I.X.A.L. try a new approach in their search for the Prismatic Blades.

Lloyd attracts the attention of a powerful adversary. The intervention of the mysterious mercenary tips the balance in an epic battle.

The Underworld tests Arin and Sora's commitment to Ras, while Nya and Jay work together to expose Lee's secret.

The Ninja escape Lee and head for the source of the threat, while Ras plans his next move.

In the City of Temples, the Ninja find guidance from an unlikely source, while Cole, Kai and Frak battle the Hollow Ones in Imperium.

The Ninja embark on their separate journeys to awaken the Arc Dragon of Focus but deal with unexpected - and annoying - interruptions.