Swarm, Heat

A hellish-red swirling mass of dancing flames advances toward you.

Heat Swarm CR 7

XP 3,200
N (E) Diminutive outsider (elemental, extraplanar, fire, swarm)
Init +10; Senses darkvision 60 ft.; Perception +15; Aura fiery aura (20 ft., DC 16 Fort, 1d6 fire)


AC 21, touch 21, flat-footed 14 (+6 Dex, +1 dodge, +4 size)
hp 67 (9d10+18)
Fort +7, Ref +12, Will +6
DR 10/–; Immune fire, weapon damage, construct traits*, elemental traits, swarm traits
Weaknesses swarm traits, vulnerability to cold


Speed 30 ft., fly 60 ft. (average)
Melee swarm (2d6 plus 2d6 fire and burn)
Space 10 ft.; Reach 0 ft.
Special Attacks burn (2d6, DC 16), distraction (DC 16)


Heat swarms are highly territorial and attack any creatures (other than their own kind) entering their domain. Several swarms often work together to drive away a common foe.

A heat swarm attacks by moving on top of and engulfing its foe.


Str 1, Dex 24, Con 14, Int 6, Wis 10, Cha 6
Base Atk +9; CMB –; CMD
Feats Dodge, Great Fortitude, Improved Initiative, Skill Focus (Perception), Weapon Finesse
Skills Fly +12, Knowledge (planes) +10, Perception +15, Sense Motive +12, Stealth +18, Survival +12


Fiery Aura (Ex)

Anyone within 20 feet of a heat swarm must succeed on a DC 16 Fortitude save or take 1d6 points of heat damage per round from the intense heat. The save DC is Constitution-based.

*Editor’s Note

The defensive abilities includes “construct traits”, but the creatures Type is “outsider”. GMs are encouraged to ignore the construct traits defensive ability entry.


Environment Para-Elemental Planes of Heat
Organization solitary, mass (2-4 swarms), or holocaust (7-12 swarms)
Treasure none

A heat swarm is a mass of flying, aggressive, foul-tempered elementals from the Para-Plane of Heat. A single heat elemental that makes up a heat swarm resembles a thumb-sized ball of fire with vaguely discernible facial features.

When encountered on the Material Plane (which is a very rare occurrence indeed), a heat swarm is most often found in a highly unbearable (by human standards) climate such as an active volcano.

Section 15: Copyright Notice

Heat Swarm from the Tome of Horrors Complete, Copyright 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author Scott Greene.

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