The Island Arc

The Island Arc is one of the story arcs of the series.
== Synopsis ==
An expedition led by Misako has gone missing on a remote island off the coast of Manhattan. 
The Ninja go on a rescue mission, and they recruit Twitchy Tim, the only person who has returned alive from this mysterious island. 
They track down the expedition but at the same time discover an ancient tribe of native islanders with a strange lightning-based technology. 
This tribe fears and worships a terrible sea creature. 
They manage to keep her submissive through frequent and precious sacrifices, but her anger arouses, and she demands more.
Adam is the focus character of this season, and Chief Mammatus is the main antagonist. 
The Keepers of the Amulet serve as the villainous faction. 
The villainous faction retellings are the Anacondrai Cultists in the Keepers of the Amulet. 
Adam is the focus character, as this season keeps track of his journey to rescue his friends from the Island of the Keepers. 
The collectible item for this season is the Storm Amulet.