Heaven-Forged

Description (Slinger)
This item was imbued with angelic, holy energy upon creation. As a result, it does triple damage to unholy entities such as demons and the undead. Due to the holy power, it can affect intangible unholy entities such as ghosts. Upon sensing familiarity, it glows a majestic white in the presence of holy entities.

Reference
Chapter 59 "To The Couple Goes The Spoils"