From Pathfinder #208: Hoof, Cinder, and Storm, which isn't enabled.

Returning Starknife

ITEM 8

UNCOMMON AGILE FINESSE MAGICAL THROWN-20

Price 430 gp

Usage held in 1 hand

Bulk L

Category simple

Group knife

Damage 1d4 piercing

This returning throwing knife is specially made for Lyrune-Quah hunters, and its blade is carved with constellations.

Ribbon Wrap (concentrate)

Frequency once per hour

Trigger You deal damage to a target with the starknife

Effect Silver ribbons of starlight entangle the target, dealing 4d6 spirit damage. This is silver damage for the purposes of weaknesses, resistances, and the like. The target must attempt a DC 24 Reflex save.

Critical Success The creature is unaffected.

Success The creature takes half damage and is Clumsy 1.

Failure The creature takes full damage and is Immobilized for 1 round.

Critical Failure The creature takes full damage and is Restrained with an Escape DC of 24.

Pathfinder #208: Hoof, Cinder, and StormORC