As every big game publisher struggles to find long-term success in the games-as-a-service world, Assassin’s Creed Odyssey offers a good balance of hobby horsing and story progression. While most engravings can be obtained by leveling up, the best ones are available only through finding Ainigmata Ostraka and deciphering their riddles, which is a necessary part of completing the game 100%. To help you out, we’ve compiled a list of all the Ainigmata Ostraka solution in Arkadia for all your completionist needs. You’ll also need to have decent weapons to apply the engravings, so check out our combat guide for tips on getting those.