There are five Ainigmata Ostraka riddles in Elysium (The Fate of Atlantis DLC). As you solve the riddles, you upgrade Damage on Isu engraving (+4/8/12/16/20%). The order in which you find and solve ainigmata ostraka does not matter.
Ainigmata Ostraka Riddles, Elysium
Locations on Elysium
1
Brick House (Riddle)
Marble and limestone can't hold forever. A house needs reinforcements, and its foundations must be built to endure. One faulty crack can destroy everything. l fell with my eroding fortification into the water to the east, and will be shadowed by a wooden bridge forever if not found.
2
Brick House (Solution)
Show the map
3
Dear Demeter (Riddle)
In Elysium, flowers are not mere decoration. Stolen away from her mother, Persephone pays tribute to Demeter with the lush sights and smells of blooming growth. Demeter sings on the winds brewing in the Heart of Elysium, and can be easily heard from the bed of white flowers where l wait.
4
Dear Demeter (Solution)
Show the map
5
High and Dry (Riddle)
To find me, move from the palm to a mouth of the Glorious Dead. The wall of water that spits out of it can be reached by only the most competent climber. It may be wet outside, but I'm kept dry inside.
6
High and Dry (Solution)
Show the map
7
Keep Your Eye On Me (Riddle)
The eyes of the Marble Maiden are wise to watch the river Styx, especially in this unpredictable corner of Elysium. While she keeps her sights on the Mortal Encampment of Adonis's rebels, I act as an offering to her until you take me for yourself.
8
Keep Your Eye On Me (Solution)
Show the map
9
Sleeping Giant (Riddle)
Though the river Styx is a beast best left undisturbed, it has been traversed for eternity from head to tail. I can be found where it wags in the north, tucked into the leaves of a thriving bush.



















