Archives is a new addition to Assassin's Creed Odyssey: Judgment of Atlantis. These are sites where you can find many elements giving you knowledge of Isu. Thus, you will quickly develop your character.
Archive of Hebe is located in the western part of Oikos of Atlantis.
The entrance to the archive is at the bottom of the building. You can notice them easily because the door glows golden.
Start by destroying the torches which are located in the center of the room.
Eliminate all the enemies before you start exploring the location.
A chest is located between the shelves. Go to it and gather the necessary information.
An ostraka is leaning on the wall behind the chest.
A much smaller room is on the left side of the room. There, you will find a tablet and a chest with resources.
The archives have numerous resources. You can use them to strengthen your character.