Yesterday, i finally picked up the Stomp-ees hunter exotic from an engram. i only started playing about a month ago, so i don;t have a whole lot of exotics, so this was great. however, this morning, i played two nightfall ordeals on hero difficulty and at teh end, i received another copy of the Stomp-ees after both nightfalls. is this a bug? I've very rarely ever gotten exotic engrams after nightfalls before, and i figure the chances of getting the exact same exotic that i already have, back to back, is too much to be coincidence.
Exotic engrams are supposed to provide duplicate protection until all available weapons and armor are collected, but it's possible that doesn't apply to Nightfall: The Ordeal rewards since they are sent directly to your inventory instead of dropping on the ground or claimed like the Season Pass/Xur engrams.