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From Pathfinder #175: Broken Tusk Moon, which isn't enabled.

Twigjack Sack (Moderate)

ITEM 3
Price 10 gp
Usage held in 1 hand
Bulk L
Category martial
Group bomb
Damage 2d6 piercing + 3 persistent bleed + 2 splash
Range 20 ft.

Activate Strike

Sharp, flexible brambles poke from this sack made of intricately intertwined plant fibers. The sack's contents creak under the strain of the tightly compressed bundle.

When thrown, a twigjack sack bursts open, spraying brambles in all directions that gouge and slash nearby creatures. A twigjack sack deals the listed piercing damage, persistent bleed damage, and splash damage.

You gain a +1 item bonus to attack rolls. The bomb deals 2d6 piercing damage, 3 persistent bleed damage, and 2 piercing splash damage.

Pathfinder #175: Broken Tusk MoonOGL