Myrmex — fantasy monster illustration. Myrmex is a medium elemental (Challenge Rating 5).

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Myrmex

Medium Elemental, neutral good

AC
15
HP
90
Speed
40
CR
5

Armor Class 15 (natural armor)

Hit Points 90 (12d8+36)

Speed 40 ft., burrow 40 ft., climb 40 ft.


STR
16 (+3)
DEX
13 (+1)
CON
16 (+3)
INT
10 (+0)
WIS
14 (+2)
CHA
8 (-1)

Skills Perception +2

Damage Resistances poison; nonmagic B/P/S attacks

Condition Immunities exhaustion, paralyzed, petrified, poisoned, prone, unconscious

Senses blindsight 60', passive Perception 15

Languages understands Terran but can't speak

Challenge 5


Traits

Elemental Nature. Doesn't require air food drink or sleep.

Keen Smell. Advantage: smell Wis (Percept) checks.

Limited Telepathy. Magically transmit simple messages and images to any creature within 120' of it that can understand a language. This telepathy doesn't allow receiving creature to telepathically respond.

Stone Walk. Difficult terrain composed of earth or stone doesn't cost the myrmex extra movement.

Actions

Multiattack. Three Bite attacks.

Bite. Melee Weapon Attack: +6 to hit, 5 ft., one target, 7 (1d8+3) piercing damage + 3 (1d6) poison.

Earth Shift. Ranged Spell Attack: +5 to hit 60' 1 tgt in contact with ground. Target pushed up to 15 ft. in direction of myrmex's choice speed half til end of its next turn.

Wall of Earth. Makes a wall of earth spring out of earth or rock on a point it can sense within 30' of it. Works like wall of stone spell except can create only one 10 ft. × 10 ft. panel with AC 13 and 15 hp.

Bonus Actions

Earth Manipulation. Can manipulate and move earth within 30' of it that fits within a 5 ft. cube. This manipulation is limited only by its imagination but it often includes creating caricatures of creatures to tell stories of travels or etching symbols to denote dangerous caverns or similar markers for those in the colony. It can also choose to make the ground within 10 ft. of it difficult terrain or to make difficult terrain normal if the ground is earth or stone. Changes caused by Earth Manipulation are permanent.

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Myrmex — 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