Fen Mosquito Swarm

Pathfinder Remaster. Stats use the Pathfinder Remaster rules from Pathfinder Monster Core 2.

The Fen Mosquito Swarm is a Level 3 creature, with Armor Class 18 and 30 hit points. A Fen Mosquito Swarm is a dense cloud of blood-drinking insects that thrives in stagnant wetland environments.

Fen Mosquito Swarm, original Pathfinder 2e monster artwork by ZapGM

Stat Block

Abilities & Attacks

Swarm Mind. This monster doesn't have a single mind (typically because it's a swarm of smaller creatures), and is immune to mental effects that target only a specific number of creatures. It is still subject to mental effects that affect all creatures in an area. Pyrexic Malaria (disease). The victim can't reduce its Sickened condition while it's affected by pyrexic malaria. Saving Throw DC 20 Fortitude save. Onset 4 days. Stage 1 Sickened 1 (1 day). Stage 2 Enfeebled 1 and Sickened 1 (1 day). Stage 3 as stage 2 (1 day). Stage 4 Unconscious (1 day). Stage 5 dead Swarming Bites (1 action). Each enemy in the swarm's space takes 1d6 piercing damage (DC 20 basic Reflex save) and is exposed to pyrexic malaria. Creatures that fail the saving throw also take 1d4 bleed.

Common Questions

How much HP does a Fen Mosquito Swarm have?

30 hit points.

What level is a Fen Mosquito Swarm?

Level 3.

What is a Fen Mosquito Swarm's Armor Class?

AC 18.

How fast can a Fen Mosquito Swarm move?

Speed 5 ft., fly 25 ft.

Use Fen Mosquito Swarm at your table

Original custom artwork found nowhere else on the web, free to view. Copy-paste the full stat block straight into your notes, a Word doc, or your VTT, or sign in to claim Fen Mosquito Swarm into a ZapGM campaign and customize it further.

License

This product is licensed under the ORC License located at the Library of Congress at TX 9-307-067 and available online at various locations including paizo.com/orclicense, azoralaw.com/orclicense, and others. All warranties are disclaimed as set forth therein.

Game mechanics on this page are based on Pathfinder Monster Core 2 © 2025 Paizo Inc. Full attribution is on zapgm.com/legal.

The game mechanics ZapGM publishes from these books remain ORC Licensed Material: you may reuse them under the ORC License.

The creature description and artwork are ZapGM Reserved Material.

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