Cauldron

The Cauldron was a body of water between Tarot Island and the west coast Margaret's Land and Charis Island. It was connected to the Tranjyr Passage in the north, the Parker Sea in the South, and the Sea of Justice in the west. 

The Cauldron, has often been described as "...that shallow, current-wracked stretch of seawater between Charis and Tarot Island..."