Darkness Falls is a Forsaken achievement with the description: "Defeat a Forsaken Nightfall Boss." For a couple years now, this achievement has been difficult (and at times impossible) to unlock because Forsaken strikes are rarely in the Nightfall playlist. The current Season of the Witch doesn't have any Forsaken strikes at all, and who knows how long it will be until there's a season that has one. In the past Bungie has been pretty good about changing achievement requirements when needed; Destiny 2 has a lot of achievements that were for content or features that are no longer in the game, and they've all been updated too so that they're still unlockable. Bungie, can you update this achievement too? Maybe to something like defeating [b]any[/b] Nightfall boss.