To reach Dead Heroes Haven, you have to cross Gaia's Underpass - which is the only tomb within Pheraia's Retreat. If the humans of Elysium agreed on anything, it was that there was something mysterious about Hekate. As Persephone's lone confidant, she was the one to know how Alexios could navigate the twists and turns of Elysium. In Atlantis DLC there is a cave called Gaia’s underpass. This activity marks its return in Fate of Atlantis. Any idea where the key is? This is one of the more important locations in Assassin's Creed: Odyssey Fate of Atlantis, as you'll visit it when completing story missions. Ainigmata Ostraka is a type of a puzzle found in Assassin's Creed Odyssey. The Veiled Altar of Hermes differs significantly from the previous Keeper's Insights. The Keeper’s Insights can be found in the following locations: Dead Heroes’ Haven/Gaia’s Underpass Tomb in the Pheraia’s Retreat region. Gaia's Underpass was a tomb in Pheraia's Retreat, Elysium. Sudden and New, quest walkthrough and hints. Make your way to Gaia’s Underpass and go inside, turn right, then go through the door and break down the wooden barrier to advance. Story related, herate gives you the quest. This location can be found near Persephone's Akropolis. This AC Odyssey Atlantis Ainigmata Ostraka Solution Guide will tell you where to location each of the Ainigmata Ostraka items and how to solve each of the riddles the items provide. It connected to Dead Heroes Haven, a cavern containing a Keeper's Insight. Inside is a door that needs a key. I thought that might be the case. In order to reach the Veiled Altar of Hermes, you must first get through some climbing and uncover the entrance in one of the buildings. Ainigmata Ostrakas can be found in various locations around the world. Puppychili (Topic Creator) 1 year ago #3. The popular Ainigmata Ostraka riddles from Assassin's Creed Odyssey return in the Atlantis DLC. The Keepers Insight is found inside Gaia’s Underpass, which is to the east of Hekate’s base in Pheraia’s Retreat. ! Thanks! PF: [Code Zero] AAA+ 79 [Base Security Lv 78] User Info: Puppychili.