Awakened Rot Grub Swarm
Medium natural beast (swarm)
Level 10 Brute XP 500

HP 123; Bloodied 61Initiative +6
AC 21, Fortitude 20, Reflex 19, Will 22Perception+5
Speed 5Darkvision
Resist half damage from melee and ranged attacks; Vulnerable 10 against close and area attacks


Swarm Attack Aura 1

Any enemy that starts its turn within the aura takes 10 damage plus 2 extra damage for each additional rot grub swarm adjacent to the enemy.


The awakened rot grub swarm can occupy the same space as another creature, and an enemy can enter its space, which is difficult terrain. The awakened rot grub swarm cannot be pulled, pushed, or slid by melee or ranged attacks. It can squeeze through any opening that is large enough for at least one of the creatures it comprises.

Clumsy Attacker

The awakened rot grub swarm lacks a melee basic attack.

Standard Actions

Infesting Bite At-Will

Attack: Melee 1 (one creature); +15 vs. AC

Hit: Ongoing 10 damage (save ends).

    First Failed Saving Throw: Ongoing 15 damage (save ends).

    Second Failed Saving Throw: Ongoing 20 damage (save ends).

Psychic Shock Recharge

Attack: Close burst 2 (enemies in the burst); +13 vs. Will

Hit: The target is immobilized until the end of the awakened swarm’s next turn.

Minor Actions

Telepathic Lure At-Will 1/round

Attack: Ranged 5 (one creature); +13 vs. Will

Hit: The swarm pulls the target 4 squares.

Str 10 (+5)                Dex 13 (+6)                Wis 11 (+5)
Con 13 (+6)                Int 8 (+4)                Cha 4 (+2)

Alignment evil        Languages Deep Speech, telepathy 10

Published in Monster Manual 3, page(s) 167, Dungeon Magazine 188.