Related Clues:
- Arcane matters
- Head off to war on unfinished waterway with mysterious types
- Secrets of a special group
- A headless whale keeping a number of secrets
- Arcane stuff
- One of two tarot card groups
- Tarot card category
- Secret knowledge
- Major or minor part of a tarot deck
- Knowledge of alchemy, say
- The mysteries of opening artery on Royal Canal, for the most part
- Secrets — cards in a tarot pack
- Esoteric information
- Esoteric knowledge
- Tarot card group