9 (to undead and demons)
The Bone Bolt is an item added by Witchery. This item is a form of ammunition for the Witch Hunter Pistol Crossbow. It deals 6 () points of damage to most mobs. It will deal 50% more damage (9 ()) to undead and demonic creatures, such as Skeletons and Demons. It can be upgraded into the Nullifying Bolt.