The Raised Rats were mortal rats that were taken to the House by The Piper. They now live on the Border Sea, using Steamboats to work as trackers. They are apparently unreliable, but keep to their word. Drowned Wednesday once wanted them banned from the Sea, but due to political complication could not sustain this punishment. The rats are good friends with all Pipers Children, but will not share any secrets that have been washed from the children's heads. They aid Arthur in finding Part Three of the Will and are later threatened with execution by Superior Saturday, a sentence that no wise Denizen wishes to carry out. As of Superior Saturday, the Raised Rats have chosen to be noncombatants in the Piper's wars. The Rats often trade information for information, as seen in their interactions with Arthur.

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