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Death Butterfly Swarm (Tome of Beasts 2023)

Size
Large
Challenge Rating
4
Source
Tome of Beasts 2023
Alignment
Unaligned
Armor Class
15
Speeds
40, fly 5
Walking Speed
40
Flying Speed
5
Strength Score
1
Dexterity Score
14
Constitution Score
10
Intelligence Score
1
Wisdom Score
12
Charisma Score
12
Vision
Darkvision (60ft)
Languages Ref
—
Hit Points
60
Condition Immunities
Charmed, Frightened, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned
Resistances
Vulnerable to Cold Damage, Vulnerable to Fire Damage, Resistant to Bludgeoning Damage, Resistant to Piercing Damage, Resistant to Slashing Damage

Large swarm, Unaligned


Armor Class 15 (natural armor)

Hit Points 60 (11d10)

Speed 40 ft., fly 5 ft.


STR
1 (−5)
DEX
14 (+2)
CON
10 (+0)
INT
1 (−5)
WIS
12 (+1)
CHA
12 (+1)

Damage Vulnerabilities cold, fire

Damage Resistances bludgeoning, piercing, slashing

Damage Immunities False

Condition Immunities charmed, frightened, grappled, paralyzed, petrified, poisoned, prone, restrained, stunned

Senses darkvision 60 ft., passive Perception 11

Languages —

Challenge 4 (1,100 XP)

Potent Poison. Undead with resistance or immunity to poison damage or the poisoned condition can be affected by the swarm's poison.

Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny insect. The swarm can't regain hp or gain temporary hp.

Weight of Wings. A creature that starts its turn in the swarm's space has its speed halved and must succeed on a DC 12 Dexterity saving throw or become blinded. Both effects end when the creature ends its turn outside the swarm's space. On a successful saving throw, the creature is immune to the blinding effect of Weight of Wings for the next 24 hours.

Actions

Bites. Melee Weapon Attack: +4 to hit, reach 0 ft., one creature in the swarm's space. Hit: 21 (6d6) piercing damage, or 10 (3d6) piercing damage if the swarm has half of its hp or fewer. The target must make a DC 12 Constitution saving throw. On a failure, it takes 10 (3d6) poison damage and is poisoned until the end of its next turn. On a success, it takes half the damage and isn't poisoned.

Description

False

Stat block from Tome of Beasts 2023 (Kobold Press), Open Game Content used under the Open Game License 1.0a. Tome of Beasts. 2023 Open Design LLC. All rights reserved. It is not Geminaea material. See Legal.