Keeper of the Moontides

The Keeper of the Moontides, or simply the Keeper, is an Archfey of the Feywild, one of five identified by the Arcana Pansophical as of 812 PD. Unlike other Archfey, the Keeper's existence was unknown until 812 PD, when a spy working for the Arcana Pansophical discovered them, after which the spy was never heard from again.

So far, the Keeper of the Moontides has neither appeared nor been mentioned onstream.