Create Spiritknife

A spiritknife is created by binding a spirit within range—any spirit, free or bound—into a weapon made of a natural material. The purpose of such weapons is to cause damage to spirits on the Prime Material Plane.

The spell generally only works on spirits with 1 Hit Die. A spirit that does not wish to be bound is allowed a saving throw vs. spell to avoid the effect. More powerful spirits can be bound with their own consent, and usually demand assurances that they are to be freed after a certain period of time.

Bound spirits retain full use and control of all powers they had before bound (it can attack the knife's creator or wielder if it wishes, even if bound); it is wise to use a compliant or harmless spirit. Many shamans prefer to take only willing spirits for these knives, and may rescue dying spirits from trees ravaged by fire, or streams drying in a drought, for use in these weapons.

Any spirit hit by a spiritknife (normal attack roll, with adjustments for invisibility applied as normal) takes 2d4 points of damage for each Hit Die of the spirit bound within the weapon. Spirits currently possessing objects or people, and spirits in the spirit world, are invulnerable to this damage (although the base damage of the weapon will still be inflicted on the vessel, if appropriate).

Spiritknives must be slashing weapons (usually knives or daggers). The material from which a spiritknife is made cannot have been contaminated, purified or altered, though the maker may change the shape of the material. Thus, metals (extracted from ores) cannot be used, but stone, bone, and wood are acceptable. Most spiritknives are made from flint or wood, though obsidian, marble and other substances are usable.

The material component for this spell is the weapon itself, which is not destroyed on casting.