From Pathfinder Adventure Path: Hellbreakers, which isn't enabled.

Imposing Shield

ITEM 6

UNCOMMON MAGICAL

Price 245 gp

Bulk 1

AC Bonus +2

Hardness 5

HP 20

BT 10

A favorite of Hellknights, this steel shield is often emblazoned with the symbol of a Hellknight order and often notched with the number of times it has absorbed damage.

Activate—Terrifying Block (concentrate, emotion, fear, mental)

Frequency once per 10 minutes

Trigger You Shield Block

Effect When a weapon strikes an imposing shield, the sigil glows with a chilling light. The creature that made the attack that triggered your Shield Block becomes Frightened 2. If the Shield Block reduced the incoming damage to 0, the creature instead becomes Frightened 3.

Hardness	HP	BT
6	36	18

Pathfinder Adventure Path: HellbreakersORC