Rowan, curious about the origin of the Keeper of the Crystal, asked Perlain about the story of Orin the Wise. Perlain told Rowan of Orin's encounter with the Serpent. Rowan shuddered, remembering a picture of the Great Serpent in Rin'shouse of books, depicting the serpent crushing a Maris boat. Perlain continued, stating that Orin was attacked by the serpent while dangerously fishing at sunset during a full moon. It hunted him to the the the Island in the harbour, and there Orin fled into a cave. He plunged through a dark tunnel that led deep below the sea and in a small, rocky cavern, found the Crystal. This led to him becoming Maris' first leader, the first Keeper.
The Great Serpent only appears rising out of the waters during a full moon. It acts vicious, destroying any living creature it comes across. Each year after sunset, unbeknownst to Maris folk, the Great Serpent lays eggs inland in a pool protected by a fighter bird on the side of the Island rarely visited by Maris folk.