watch 02:19 The Loop (Games) Do you like this video? Firefly (Material) is the material item used in making a Firefly in a Bottle. It is obtained by going out at night and capturing a Firefly with a Bug Net. Update Info v1.2.4 Can now be used as bait for fishing. v1.2.3 Added to the game. Retrieved from "https://terraria.fandom.com/wiki/Firefly_(Material)?oldid=553976" Categories: Materials Items PC 1.2.3 Consumable Drop Bait Community content is available under CC-BY-SA unless otherwise noted.