Swarm of Venomous Snakes

Medium Beast, Unaligned

AC: 14

Initiative: +4 (14)

HP: 36 (8d8)

Speed: 30 ft., swim 30 ft.

STR
8 (-1)
DEX
18 (+4)
CON
11 (+0)
INT
1 (-5)
WIS
10 (+0)
CHA
3 (-4)

Resistances: bludgeoning; piercing; slashing

Condition Immunities: charmed; frightened; grappled; paralyzed; petrified; prone; restrained; stunned

Senses: Blindsight 10 ft., Passive Perception 10

CR: 2 (XP 450; PB +2)

Habitat: Coastal, Desert, Forest, Grassland, Hill, Swamp

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 snake. The swarm can't regain Hit Points or gain Temporary Hit Points.

Actions

Bites.

Melee Attack Roll: +6, reach 5 ft. Hit: 8 (1d8 + 4) Piercing damage—or 6 (1d4 + 4) Piercing damage if the swarm is Bloodied—plus 10 (3d6) Poison damage.

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Swarm of Venomous Snakes

Source: Monster Manual (2025), p. 371 - Licenses and attribution