ESODecoded

Swarm

Warden · Animal Companions · Active — base skill and both morphs, exact values.

data retrieved 2026-06-11 · datamined via UESP

At a glance

Class / categoryWarden
Skill lineAnimal Companions
Skill typeActive
Morphs2
Base cost2970 Magicka
Unlocks atLevel 20

Base skill & morphs

BASE Swarm2970 Magicka · unlocks lvl 20

Unleash a swarm of fetcherflies to relentlessly attack an enemy, dealing 4631 Magic Damage over 20 seconds. The fetcherflies rip through the enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%.

MORPH Fetcher Infection2970 Magicka · unlocks lvl 20

Unleash a swarm of fetcherflies to relentlessly attack an enemy, dealing 4785 Magic Damage over 20 seconds. Every second cast of this ability deals 60% increased damage. The fetcherflies rip through the enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%.

MORPH Growing Swarm2525 Stamina · unlocks lvl 20

Unleash a swarm of fetcherflies to relentlessly attack an enemy, causing them to bleed for 4785 Bleed Damage over 20 seconds. The fetcherflies rip through the original enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%. Enemies near the carrier take 435 Bleed Damage every 2 seconds for the duration. You can only have one Growing Swarm active at a time.

Morph differences

What each morph changes relative to the base skill — exact datamined text only, no recommendation of which to pick.

Swarm BASE

Unleash a swarm of fetcherflies to relentlessly attack an enemy, dealing 4631 Magic Damage over 20 seconds. The fetcherflies rip through the enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%.

Fetcher Infection MORPH

Changes vs base: Every second cast of this ability deals 60% increased damage.

Growing Swarm MORPH

Unleash a swarm of fetcherflies to relentlessly attack an enemy, causing them to bleed for 4785 Bleed Damage over 20 seconds. The fetcherflies rip through the original enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%. Enemies near the carrier take 435 Bleed Damage every 2 seconds for the duration. You can only have one Growing Swarm active at a time.

FAQ

What are the morphs of Swarm?

Swarm has 2 morphs: Fetcher Infection, Growing Swarm.

What's the difference between the Swarm morphs?

Fetcher Infection: Every second cast of this ability deals 60% increased damage.

Growing Swarm: Unleash a swarm of fetcherflies to relentlessly attack an enemy, causing them to bleed for 4785 Bleed Damage over 20 seconds. The fetcherflies rip through the original enemy's flesh, afflicting them with Minor Vulnerability for the duration, increasing their damage taken by 5%. Enemies near the carrier take 435 Bleed Damage every 2 seconds for the duration. You can only have one Growing Swarm active at a time.

How much does Swarm cost?

2970 Magicka.

Where does Swarm come from?

Warden · Animal Companions skill line.