There are two puzzles on the planet Kadala. First: To activate three stone tablet towers, for two of them, you only need to sweep out the symbols, no need to solve puzzles. The third one is required.
Second: After all three stone monument towers are activated, there is a puzzle in the treasure house.
Third: You can collect a remnant core in the treasure house and complete a secondary mission that was released not long after the game started.
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Supplement: Planet H-047c in the REMAV system
Below is the unlock map of the planet Elladen.
Below is the unlock map of the three towers of Snow Star.
