Ruins treasure chest and how to open it.
To begin with start killing: Triangle ruins trees, Circle ruins trees, Small and large cylinder ruins trees, face ruins trees and basicly, all those "mobs" that aren't moving :).
They can drop Ancient architecture fragments, You need two ANCIENT ARCHITECTURE FRAGMENT to combine them into 1 key, TURN OFF AUTOARRANGE in inventory and place them horizontaly next to each other.
When you use a key, secret location is revealed, go there, use the key again,
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