Swarm of Spiders — fantasy monster illustration. Swarm of Spiders is a medium beast (Challenge Rating 1/2).

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Swarm of Spiders

Medium Beast (Swarm), unaligned

AC
12
HP
22
Speed
20
CR
1/2

Armor Class 12 (natural armor)

Hit Points 22 (5d8)

Speed 20 ft., climb 20 ft.


STR
3 (-4)
DEX
13 (+1)
CON
10 (+0)
INT
1 (-5)
WIS
7 (-2)
CHA
1 (-5)

Damage Resistances bludgeoning, piercing, slashing

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

Senses blindsight 10 ft., passive Perception 8

Challenge 1/2


Traits

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 hit points or gain temporary hit points.

Spider Climb. The swarm can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Web Sense. While in contact with a web, the swarm knows the exact location of any other creature in contact with the same web.

Web Walker. The swarm ignores movement restrictions caused by webbing.

Actions

Bites. Melee Weapon Attack: +3 to hit, reach 0 ft., one target in the swarm's space. Hit: 10 (4d4) piercing damage, or 5 (2d4) piercing damage if the swarm has half of its hit points or fewer.

Community Images

Swarm of Spiders — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022