Init: +4. Senses: blindsight 30 ft.; Perception +0. Ac: 18, touch 18, flat-footed 14 (+4 Dex, +4 size).
Hp: 39 (6d8+12).
Fortitude: +7. Reflex: +6. Will: +2. Immune: mind-affecting effects, swarm traits, weapon damage. Weaknesses: susceptible to salt (see giant leech).
Speed: 5 ft., swim 30 ft.. Melee: swarm (2d6 plus poison). Space: 10 ft.. Reach: 0 ft.. Special Attacks: blood drain, distraction (DC 15). Strength: 1. Dexterity: 18. Constitution: 15. Intelligence: -. Wisdom: 10. Charisma: 2.
Base Attack: +4. Cmb: -. Cmd: &mdash.
Skills: Stealth +16 (+24 in swamps), Swim +12. Racial Modifiers: +8 Stealth in swamps, uses Dexterity to modify Swim checks.
Environment: temperate or warm marshes. Organization: solitary, pair, or infestation (3-6 swarms). Treasure: none.
Description: A mass of wriggling black creatures each the size of a man's finger stirs the stagnant water before enveloping its victim.
Special Abilities
Any living creature that begins its turn with a leech swarm in its space is drained of its blood and takes 1d3 points of Str and Con damage. Swarm:This horrifying cloud of ravenous, blood-draining parasites eschews the stealth of a lone leech's methods in favor of swift and merciless feeding.