Hail of Arrows Snare
Hail of Arrows Snare Level 16
Consumable Mechanical Snare Trap
Price 1,500 gp
When a creature enters the snare's square, it releases hundreds upon hundreds of carefully prepared arrows, blanketing a 20-foot radius around the snare's square with massive arrow fire that deals 18d6 piercing damage. Creatures in the area must attempt a DC 37 basic Reflex saving throw.
Source Source Core Rulebook pg. 590 2.0