Hamatula Barbs

(Spell Compendium, page 109, DnD 3.5)

Transmutation

Level: ; Cleric 3; Sorcerer/Wizard 3
Components: V, S, M
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 10 minutes/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes (harmless)

You invoke the dark nature of the spell and slender, sharp-edged barbs sprout from your body and clothing, glowing with hellish energy.

Any creature hitting the subject of this spell with a handheld weapon or a natural weapon takes 1d8 points of slashing and piercing damage from the subject's barbs. This damage does not apply to attackers using reach weapons, such as longspears. The subject itself is not harmed by its own barbs.

Arcane Material Component: A barb from a hamatula.