So, I came back to the game after a while and after the move to steam and it seems like my curse of osiris quest is gone. I highly doubt i finished it and the quest last call popped up again (which i'm playing again, thanks for letting me see Cayde die again) I'd like to complete the quest curse of osiris, i can show proof that i never finished it.
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You need to go see Amanda Holliday at the tower to get it from her.