|Spawns In:||Mutant Bug Lair, Skull Cavern|
|Variations:||Cave Fly Cave Fly (dangerous)|
|Drops:|| Ancient Seed (0.5%) Bug Meat (90%) Dwarf Scroll I (0.5%) Dwarf Scroll IV (0.1%) White Algae (2%)|
If reached bottom of Mines:Diamond (0.05%) Prismatic Shard (0.05%)
They will fly towards the player (including through walls) at high speeds and deal damage on contact. They will then loop around for another pass.
Stand still and swing with a sword that has high knockback right before the fly makes contact.
- 1.1: Introduced.