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- Cage with door which, if knocked on gives a clue to something in a different area; and with piece of wood, which if broken, heals one person (one time only)
- Stalactites with mechanism which, if pulled, opens a passage
- Portcullis with magic effect which, if a specific spell is cast on it, does minor unavoidable damage
- Ceramic tiles with metal ring which, if broken, reveals hidden piece of wood, which if touched, reveals hidden hatch which, if opened, causes feeblemind
- Pendulum with display case which, if filled, opens a passage