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Ainigmata Ostraka (riddle shells) were a series of scrolls found by the Spartan misthios Kassandra during the 5th century BCE. Hidden here and there in manmade structures, the misthios would find treasures containing engravings that enhanced her.[1]

The Riddles

The Ainigmata Ostraka were a set of 60 riddles in various places across Greece, and five in each of Aletheia's simulations.[2]






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