Den of Vermin

Distraction: A creature with this ability can nauseate the creatures that it damages. Any living creature that takes damage from a creature with the distraction ability is nauseated for 1 round; a Fortitude save (DC 10 + 1/2 creature's HD + creature's Con modifier) negates the effect. Poison: Swarm — injury; Fortitude save (DC 13); frequency: 1/round for 6 rounds; effect: 1d4 Con; cure: 1 save.