Swarm of Spiders

Swarm of Spiders CR: 1/2 (100 XP)

Medium swarm of tiny beasts, unaligned

Armor Class: 12

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, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned

Senses: Blindsight 10 feet, Passive Perception 8

Languages: None

Challenge Rating: 1/2 (100 XP)

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

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

Genetic Ancestor(s)

• Spider

Lifespan

1 to 3 years

Average Weight

10 pounds

Average Length

5 feet