From Pathfinder Rage of Elements, which isn't enabled.

Ferrous Butterfly

CREATURE 1

TINY ELEMENTAL METAL

Perception +7; darkvision

Skills Acrobatics +9

Str +2, Dex +4, Con +3, Int -4, Wis +0, Cha +0

AC 15; Fort +6, Ref +9, Will +5

HP 20; Immunities bleed, paralyzed, poison, sleep; Resistances electricity 3

Speed 5 feet, fly 40 feet

Melee Wing +9 (finesse), Damage 1 bleed plus 1d4+2 slashing plus A Thousand Cuts

A Thousand Cuts

A ferrous butterfly's knifelike wings cause terrible lacerations that continue to bleed. Any creature with persistent bleed damage from a ferrous butterfly's wing attack has weakness 2 to slashing damage until the bleeding is stopped.

Effect: A Thousand Cuts

Swoop

The ferrous butterfly Flies up to its Speed and makes a wing Strike at any point during that movement.

Pathfinder Rage of ElementsOGL