Binding of Isaac: Rebirth Wiki

(in Afterbirth † and Repentance)

Fish Tail is a trinket added in The Binding of Isaac: Afterbirth †.

Effects[ | ]

  • Many items and trinkets that generate Blue Flies or Locusts will generate twice as many.

Notes[ | ]

  • Flies may spawn on top of each other, appearing as a single fly initially.

Synergies[ | ]

Blue Fly / Locust sources that are doubled:

Other notable interactions:

  • Collectible Compost iconCompost: Isaac will gain twice as many flies per use, meaning each fly will be tripled.
  • BeelzebubBeelzebub: Blue flies generated will be doubled, but charmed flies will not be doubled.
  • Collectible Rotten Baby iconRotten Baby: Will spit two flies at a time with one being a copy. Will only spawn more flies when the original fly is destroyed.
  • Collectible Parasitoid iconParasitoid: The duplicated flies will spawn on top of the enemy and deal damage immediately.
  • Character Tainted ??? iconTainted ??? / (in Repentance)Collectible IBS iconIBS: Blue flies created by corny poops will be duplicated when spawned in, but not when the poop is broken.
  • Character Keeper iconKeeper / Character Tainted Keeper iconTainted Keeper: Blue Flies created from hearts will be doubled.

Interactions[ | ]

In-game Footage[ | ]