Swarm, Ice Borers — fantasy monster illustration. Swarm, Ice Borers is a medium elemental (Challenge Rating 2).

Image: FTTHelper

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Swarm, Ice Borers

Medium Elemental, unaligned

AC
12
HP
40
Speed
10
CR
2

Armor Class 12

Hit Points 40 (9d8)

Speed 10 ft., climb 10 ft., fly 30 ft.


STR
7 (-2)
DEX
15 (+2)
CON
10 (+0)
INT
3 (-4)
WIS
10 (+0)
CHA
3 (-4)

Skills Perception +0

Damage Resistances bludgeoning, piercing, slashing

Damage Immunities cold

Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned

Senses passive Perception 10

Languages

Challenge 2


Traits

False Appearance. While motionless indistinguishable from cluster of icicles. This trait doesn't function if swarm has damaged a creature with blood within the past 2 hrs.

Frigid Mass. A creature that starts its turn in the swarm's space takes 4 (1d8) cold.

Heatsense. The swarm can pinpoint the location of creatures emitting heat such as warm-blooded Beasts and Humanoids within 30' of it.

Spider Climb. Difficult surfaces even ceilings no ability check.

Swarm. Can occupy another creature's space and vice versa and swarm can move through any opening large enough for a Tiny elemental. Can't regain hp or gain temp hp.

Actions

Impale. Melee Weapon Attack: +4 to hit, 0 ft., one creature, in the swarm's space. 7 (2d6) piercing damage + 9 (2d8) cold or 3 (1d6) piercing damage + 4 (1d8) cold if the swarm has half its hp or fewer.

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Swarm, Ice Borers — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022