This chapter contains the list of all Ainigmata Ostraka (ostracons) found in Megaris, one of the regions in Assassin's Creed: Odyssey. Here, you can learn how to reach the puzzles and how to solve them. This location has two ostracons: Record Sunshine and Happy Hour.
Location of the ostracon: The leaders' house. The item is located at the top of the tower.
Solution: Head to the lake west from Mount Geraneia. There are a few vases in the center - dive and solve the puzzle in the middle of the ruins.
Location of the ostracon: The cave near the battlefield. Swim inside and find the item near the supply chests.
Solution: Pillar of Dionysos is north from the cave. Kill a few followers and pick up the item that lies near the offerings.