When the Ninja meet their match in a Photac — an indestructible techno-beast — Sora believes that a mission to Imperium is the only way to destroy it.

To stop the MergeQuakes from getting worse, the Ninja travel to the Temple of the Dragon Cores to learn more about something called "The Coalescence."

When the Ninja split up to find the three Dragon Cores, Arin and Lloyd take the airship but soon need help from a village of peaceful algae farmers.

Nya's Seeker Stones lead her and Sora to something they weren't searching for. As Zane's Assistant Keeper, Mr. Frohicky can't do anything right.

Sora and Nya search for the Dragon Core with a magical compass. Arin and Lloyd get put to the test in Mother Garden. Wyldfyre and Kai play keep-away.

Zane and Mr. Frohicky study the portal gate before Cole and the Finders arrive through. The Wolf Masks invade the Monastery of Spinjitzu but are defeated by Zane and Cole, who received help from a mysterious spirit. The Ninja train under the Dragon Masters to learn the Rising Dragon Technique, while Sora and Riyu try to learn Spinjitzu. Wyldfyre is depressed due to her injury and Bonzle tells the story of how she was a spell used to contain the Forbidden Five and defeat them. In a flashback, Bonzle meets Wu and learns she needs a body. Ras speaks to his Master.

Egalt and Rontu oversee ninja training, but Arin's frustration catches Egalt's attention. Meanwhile, Bonzle plans a journey with Cole and Zane to Mysterium. Lloyd encourages Arin to embrace his unique path as a ninja. Egalt's frustration with the ninja's competitiveness leads to a serious injury, resulting in a surprising demotion. Cole, Zane, and Bonzle encounter a villainous puppeteer, Dorama, who traps them in a theatrical scheme until they manage a daring escape, leading them closer to their destination.

Lloyd's visions lead the ninja to the Wyldness where Ras will enact the Ritual of the Blood Moon. Cole, Zane and Bonzle seek protection in Gandalaria's mystical storehouse. Sprite shows Jay a hint towards his past.