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Also really sorry to hear the PS4 Try Hard trophy is bugged; I've messaged the developers to find out if they can patch it. Noticed you stopped after Pebblehenge failed to trigger, but as I said in my guide it can take two attempts minimum as it counts total pebbles placed.
I had seen that tip but had honestly lost heart at that point. If they end up patching it someday (which I still think is super unlikely) I will definitely give it another go
