[spoiler]In the new Unforseen Consequences ship, it shows Crow talking to Mara. Mara asks him what he would have changed about his pasts, and Crow says he WISHES he could talk to him and apologize. When he leaves, Mara says O brother mine, meaning she was actually Riven in disguise. [/spoiler]
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He’s not necessarily resurrected though. It seems more like the Traveler is using Cayde to guide us through the Pale Heart to stop the Witness. It’s always spoken to us in familiar voices before.