Saviour's Rocks: The Fate of the Nocturne

 is considered a Saviour's Rocks Quality in Sunless Sea.

Linked to
It is linked to the Saviour's Rocks.

Overview
It's used to track progress in the Nocturne during The Secret of the Nocturne, The Final Voyage of the Nocturne and The Tree of Ages. It doesn't have exposed text in-game, instead being used an internal progress tracker.

Quality description
"Every ship has its secrets."

Quality status
 has different statuses according to your actions.
 * 1 - 10: Exploring the Nocturne (The Secret of the Nocturne)
 * 11: Rescued the Captain from the Tree of Seasons (A council of joy)
 * 12: Agreed to take Captain to Venderbight (The Port of the Nativity)
 * 15: Took Captain to Venderbight (A fellow captain's compassion)