Swarm of Flies in Fallout 76 is a camp decoration plan : it unlocks a small cosmetic floor item that looks like a rotten meat pile with flies around it. It does not give a combat ability or useful gameplay effect.

What it does

  • Adds a decorative camp object to your build menu.
  • The item is usually found under Floor Decor or a New section in the C.A.M.P. menu.
  • Players use it for grimy or “dirty” camp themes, or to make food/loot displays look more decayed.

Extra context

  • Community posts from 2024 describe it as a new Meat Week reward and a fairly desirable plan.
  • It is sometimes treated like a collector’s item rather than a practical build piece.

Bottom line

If you bought or learned Swarm of Flies , you can place it in your camp as purely cosmetic clutter. It is basically a small rotting meat-flies prop, not a weapon, perk, or utility item.

TL;DR: It just decorates your camp with a nasty little fly-covered meat pile.