The thing is: [quote]I’ve read you can unlock it from a quest from Zavala related to a Nightfall, but I cannot get this quest from the kiosk and it is not on any of my characters.[/quote] No Normal Nightfalls are availible, they got surpassed from/by the Ordeal Nightfalls. I answered some of those question already, that the quest youre talking about [b]IS NOT COMPLETABLE[/b]!