A parasite ballooned to monstrous proportions undulates in the muck, its circular maw a spiral of teeth.
N Medium vermin (aquatic)
Init +1; Senses blindsight 30 ft., scent; Perception +0
AC 11, touch 11, flat-footed 10 (+1 Dex)
hp 19 (3d8+6)
Fort +5, Ref +2, Will +1
Immune mind-affecting effects
Weaknesses susceptible to salt
Speed 5 ft., swim 20 ft.
Melee bite +2 (1d6 plus attach)
Special Attacks blood drain
Str 11, Dex 12, Con 14, Int —, Wis 10, Cha 1
Base Atk +2; CMB +2 (+10 when attached); CMD 13 (can't be tripped)
Skills Stealth +1 (+9 in swamps), Swim +8; Racial Modifiers +8 Stealth in swamps
Escape Artist check against it, the giant leech is removed.
A handful of salt burns a giant leech as if it were a flask of acid, causing 1d6 points of damage per use.