Below are the chests that can be found at Gates of Tartaros in Immortals Fenyx Rising!
This chest can be found southwest of the Lord of Chaos fast travel point.
This chest can be found in front of a broken wagon near the ruins of a small house southeast of the Lord of Chaos fast travel point.
This chest can be found in eastern Gates of Tartaros on a stone floor next to a tree.
This chest can be found in eastern Gates of Tartaros on a ledge of the mountain.
This chest can be found in the ruins of a small house in northeastern Gates of Tartaros.
This chest can be found in northern Gates of Tartaros near the border of the Grove Kleos.
This chest can be found in the ruins of a house in western Gates of Tartaros.
This chest can be found on the north side of the central mountain.
This chest can be found on the on the northeastern side of the central mountain.