Hero's Shield

Hero's Shield is a shield. It grants the user -30% damage from bullets.

Source
Hero's Shield can be purchased from arms vendors in Altissia, Cartanica, Tenebrae, and Gralea for 5,000 gil. It can also be found as a collectable in the Crestholm Channels and Pitioss Ruins dungeons. It can be sold back to shops for 2,500 gil.