An underwater dungeon whose lore is heavily inspired by Lovecraft's The Temple, and whose design is inspired by Ocarina of Time's water temple. Contains interconnected water-level puzzles and is an example of a dungeon which requires a profile-view map.
It looks like a cook's book. It is a cook's book. It is also where the cook, who happened to be a master spy, encoded all his secrets and contacts. The book has innocently fallen into your group's hands. Everyone wants it, and many are not subtle or peaceful in their attempts.