Spider Swarm

Distraction: A creature with this ability can nauseate the creatures that it damages. Any living creature that takes damage from a creature with this 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 (save Fort DC 11); frequency — 1/round for 2 rounds; effect — 1d2 Str damage; cure — 1 save. The save DC is Constitution-based.