Necroswarm | Free Monster for D&D and PF2e
By Ruben Vazquez Jr.
PF2e Conversion by David N. Ross
In times of great death, countless soldiers and civilians alike remain out on battlefields to rot as the war continues. When powerful necromantic forces are the cause of their demise, their souls rise and forcibly merge into a grotesque horror. In time, their individuality becomes lost as they yearn to be free of the others.
Aura of Decay. Without meaning to, the necroswarms’ presence in the realm of the living causes death. As they move through the world searching for their end, they cause decay and death. The flora of the land quickly wilts, and the living feel a coldness creeping within them as they weaken.
Seeking Rest. The souls that make up a necroswarm often want nothing but rest. In that effort, they may seek out warriors to end their existence, but a primordial need to continue living causes them to attack anyone who attempts this, causing more souls to join in their horrid amalgamation.
Undead Nature. A necroswarm does not require air, food, drink, or sleep.
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Necroswarm - D&D 5e
Large swarm of Medium undead, neutral evil
Armor Class 13
Hit Points 52 (8d10 + 8)
Speed 0 ft., fly 50 ft. (hover)
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 1 (-5) | 16 (+3) | 13 (+1) | 12 (+1) | 12 (+1) | 13 (+1) |
Saving Throws Wis +4
Damage Resistances acid, cold, fire, lightning, thunder; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities necrotic, poison
Condition Immunities charmed, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained, unconscious
Senses darkvision 60 ft., passive Perception 11
Languages understands the languages it knew in life
Challenge 5 (1,800 XP) Proficiency Bonus +3
Incorporeal Movement. The necroswarm can move through other creatures and objects as if they were difficult terrain. It takes 6 (1d12) force damage if it ends its turn inside an object.
Swarm. The necroswarm can occupy another creature’s space and vice versa. The swarm can’t regain hit points or gain temporary hit points.
Actions
Multiattack. The necroswarm makes two Spirit Swarm attacks.
Spirit Swarm. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (2d6) cold damage plus 6 (1d12) necrotic damage.
Necroswarm - Pathfinder 2e
Creature 7
Large, Incorporeal, Swarm, Undead, Unholy
Perception +13; darkvision
Languages Common
Skills Acrobatics +14, Stealth +16
Str –5, Dex +5, Con +0, Int +1, Wis +2, Cha +2
AC 24; Fort +11, Ref +18, Will +15
HP 100 (void healing); Immunities bleed, death effects, disease, grappled, paralyzed, poison, precision, prone, restrained, swarm mind, unconscious; Resistances all 5 (except force, ghost touch, spirit, or vitality; double resistance vs. nonmagical attacks); Weaknesses area damage 7, splash damage 7
Touch of Decay A creature that touches the necroswarm using an action or hits it with a non-reach melee attack takes 1d6 void damage.
Speed fly 40 feet
Swarming Touch (one-action) Each enemy in the necroswarm’s space takes 1d12 void damage and 2d6 cold damage and must attempt a DC 25 basic Reflex save.
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