Res Arcana Duo
19 questions players ask about Res Arcana Duo. Pick one for the answer. See also the full rulebook.
Updated 2026-11-05.
Collecting and Components
Costs
Powers
- Do you gain essences when you discard a card to pay a cost or as part of a power, such as Elvish Heartwood or Fortune Teller?
- What does Retrieve mean, and can you take any card from your discard pile?
- Can Solomon's Key be used to react, or to trigger a react power such as Protection or Illusion?
- Which Magic Items can Solomon's Key use from the center, and do you still pay the cost?
- If a straighten effect straightens Solomon's Key, can you use its power again in the same round?
- Can a straighten power target components in the center or in your rival's tableau?
- How does Mystic Spring or Mystic Font's Pearl option work without Perlae Imperii?
Passing and Victory
Combining Duo with Other Sets
- Which Duo components do I remove when combining Duo with the base game?
- Is Duo's Lost Kingdom monument a duplicate of the base game's Great Pyramid?
- Can the base game and its expansions be added to Duo?
- Can Duo be combined with other expansions without the base game?
- How many Places of Power are used in a two-player game when Duo is mixed with the base game?