Magic Weapon Abilities - Tentacle

A tentacle weapon's blade sprouts writhing, metallic tentacles around the striking edge. This difference in appearance does not affect the weapon's statistics in any way. A tentacle blade that achieves a critical hit pulls forth the target creature's brain, instantly killing it (Fort DC 21 negates). Constructs, elementals, oozes, plants, and undead are not affected by this property, and creatures with multiple heads are not instantly killed.
Aura: Strong necromancy
Caster Level: 15th
Requirements: Craft Magic Arms and Armor or Craft Psionic Arms and Armor, mind flayer
Price: +4 bonus (+3 bonus if added to an illithidwrought weapon)

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