Monsterbrew

SRD

Swarm of Insects

medium beast, unaligned

AC 11 (natural armor)

Initiative +1 (11)

HP 19 (3d8 + 6)

Speed 20 ft.

ModSaveSTR3-4-4DEX13+1+1CON14+2+2
ModSaveINT1-5-5WIS7-2-2CHA1-5-5

Senses Blindsight 30 ft. Passive Perception 8

CR 1/2 (XP 100; PB +2)

Traits

Spider Climb. If the swarm has a Climb Speed, the swarm can climb difficult surfaces, including along ceilings, without needing to make an ability check.

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.

Actions

Bites. Melee Attack Roll: +3, reach 5 ft. 6 (2d4 + 1) Poison damage, or 3 (1d4 + 1) Poison damage if the swarm is Bloodied.

Swarm of Insects is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.