Ganon's minions would like to remind you that the weighted companion rock cannot speak. In the event that it does speak, we urge you to disregard it's advice.
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ANYWAY... This sounds like an interesting enough concept for a Zelda game. Also it oddly it doesn't seem like it be too far fetched for that universe lol I just want to see a proof of concept demo going here one of these days, it would be fun to mess around with. Good luck!