From Pathfinder #207: The Resurrection Flood, which isn't enabled.

Flowing Water (Moderate)

ITEM 7

Price 320 gp

Usage tattooed on the body

Bulk —

The Flood Truce is a season of relative peace, and this tattoo of a river can soothe your temper when you might otherwise lash out. You gain a +1 item bonus to Diplomacy checks made against orcs who honor the Flood Truce.

Activate—Embody the Truce (concentrate)

Frequency once per day

Trigger A mental effect would compel you to harm an ally or bystander

Effect Attempt a counteract check with a counteract rank of 4 to end the effect.

Pathfinder #207: The Resurrection FloodORC