From Pathfinder #176: Lost Mammoth Valley, which isn't enabled.

Blessed Ampoule

ITEM 4

Price 15 gp

Usage affixed to weapon

Bulk —

Category talisman

Activate envision

Trigger Your Strike with the affixed weapon hits a target

Requirements You're an expert with the affixed weapon.

This small glass vial contains a drop of holy water. When activated, the weapon's physical damage for the Strike becomes spirit damage.

Pathfinder #176: Lost Mammoth ValleyOGL