Defender's Bulwark

Defender's BulwarkTower Shield
Proficiency	Tower Shield
Armor Class	7
Armor check penalty	-9
Arcane spell failure	50%
Max Dexterity	2
Qualities	Tower Shield Enhancement +3
Flavor text
This shield is adorned with a depiction of an unassailable fortress.
Effects
This +3 tower shield grants its wielder DR 2/-.
45 lbs.
Sell: 12750 Buy: 51000
[Show Blueprints]
DefendersBulwarkShieldItem (954bab43deeac3b47a390623647cbdd6)
ShieldEnhancementBonus3 (ac2e3a582b5faa74aab66e0a31c935a9) DefendersBulwarkArmorItem (8a85716ad8bfff34c94f46bc4ebf5e07) DefendersBulwarkShieldEnchantment (3b43ba9fabbad934e9f8c6d4233f33ec) DefendersBulwarkShieldFeature (f60ba7b1df763b144a902e31f9d48075)

Defender's Bulwark is a magic Tower Shield in Pathfinder: Kingmaker.

Source

Found in the interactive place in the south corner of the Abandoned Keep location.