Shrapnel Snare

This snare uses tightly wound springs, clockwork, and shrapnel to cause devastating damage. When a creature enters the snare's square, the trap releases, dealing 12d6 piercing damage in a deafening explosion. Everyone in a 10-foot area of the snare's square must attempt a DC 31 reflex save.

Critical Success The creature in unaffected,

Success The creature takes half damage and is Deafened for 1 round.

Failure The creature takes full damage, 2d6 persistent piercing damage, and is Deafened for 1 minute.

Critical Failure The creature takes double damage, 4d6 persistent piercing damage, and is Deafened for 1 minute.