I discarded my strange key because I thought getting the prompt to use the key by the rocks was bugged.
Now I can’t get the key back because it says I already own it and it requires rank 4 even though I’m rank 7. I tried getting the key prompt to pop up even though I don’t have it and it still doesn’t pop up. I tried going to the barrier and it won’t let me through either, I can’t get it from Xur or the Horse.
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2 RepliesCheck Xur’s 2nd page in treasure hoard