Gibberling Bunch
Medium natural humanoid (swarm)
Level 1 Brute XP 100

Initiative +2        Senses Perception +3; Darkvision
Gibberling aura 10; enemies in the aura take a -2 penalty to all defenses. Gibberlings can't surprise creatures that aren't deafened.
Swarm Attack aura 1; a gibberling bunch makes a basic attack as a free action against each enemy that begins its turn in the aura.
HP 32; Bloodied 16
AC 13; Fortitude 13, Reflex 15, Will 11
Immune charm, fear; Resist half damage from melee and ranged attacks; Vulnerable +5 damage from close and area attacks
Speed 6 (If a gibberling bunch takes radiant damage, it is slowed until the end of the attacker's next turn; if it takes fire damage, it is immobilized until the end of the attacker's next turn.)

(⚔) Swarming Bite (standard, at-will)

+4 vs AC; 3d4+2 damage. If a bunch reduces the damage from this attack by 2d4, its target is also knocked prone.

⚔ Pull Down (standard, at-will)

+4 vs Fortitude; 1d4+1 damage, and the target is knocked prone.

Stay Down

A bunch can make opportunity attacks against adjacent targets that stand from prone.

Bone Stripping

A bunch deals an extra 2d4 damage against prone targets.

Alignment Chaotic evil        Languages -
Str 10 (0)      Dex 14 (+2)      Wis 7 (-2)
Con 12 (+1)      Int 5 (-3)      Cha 2 (-4)

Published in Forgotten Realms Campaign Guide, page(s) 257.