Needle in a Haystack (Ainigmata Ostraka)

Needle in a Haystack was a virtual representation of one of Kassandra's genetic memories, relived by Layla Hassan through the portable Animus HR-8.5.

Riddle
''There is an occupied farm on the eastern coast of Kynthos Hills. I can be found buried beneath a large pile of hay.''

Outcome
Kassandra found and recovered the treasure.

Reference

 * Assassin's Creed: Odyssey