Fang Snare

You set snake fangs, poison stingers, or other venomous animal parts in the ground where they can be touched or stepped on by a creature that enters the snare's square. The first creature to enter the square must attempt a DC 20 Reflex saving throw.

Success The target is unaffected.

Failure The target takes 1 piercing damage and 2d8 poison damage.

Critical Failure The target takes 2 piercing damage and 4d8 poison damage.