From Pathfinder Adventure: Prey for Death, which isn't enabled.

Assassin's Skin

ITEM 15

RARE INVESTED MAGICAL

Price 6500 gp

Bulk 1

Category light

Group leather

AC Bonus +1

Dex Cap +4

Check Penalty −1

This +2 greater resilient leather armor was made from the flayed hide of an Elysian pegasus, then dyed a bright crimson so that it appears slick with fresh blood. The wearer of assassin's skin gains a +3 item bonus to Escape checks.

Activate—Blood Revitalization (concentrate)

Frequency once per hour

Trigger You would take persistent bleed damage

Effect You don't take the persistent bleed damage and instead regain Hit Points equal to the bleed damage. The persistent bleed damage ends.

Pathfinder Adventure: Prey for DeathORC