Illustration Xan Drake

Cobbleswarm

Tome of Beasts
Challenge 2
(450 XP)
Robinloft Estimated CR 1
Medium swarm of Tiny monstrosities, unaligned
Armor Class 15 (natural armor)
Hit Points 36 (8d8)
Speed 30 ft.
STR
12 (+1)
DEX
11 (+0)
CON
11 (+0)
INT
5 (-3)
WIS
12 (+1)
CHA
5 (-3)
Saving Throws
Skills
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities charmed, frightened, paralyzed, petrified, prone, stunned
Senses passive Perception 11
Languages
Environments
False Appearance.

While the swarm remains motionless, it is indistinguishable from normal stones.

Shift and Tumble.

As a bonus action, the swarm can push a prone creature whose space it occupies 5 feet.

Shifting Floor.

Whenever the swarm moves into a creature’s space or starts its turn in another creature’s space, that other creature must make a successful DC 13 Dexterity saving throw or fall prone. A prone creature must make a successful DC 13 Dexterity (Acrobatics) check to stand up in a space occupied by the swarm.

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 stone. The swarm can’t regain hit points or gain temporary hit points.

Actions

Stings. Melee Weapon Attack: +3 to hit, reach 0 ft., one target in the swarm’s space. Hit: 10 (4d4) piercing damage, or 5 (2d4) piercing damage if the swarm has half its hit points or fewer.

Cobbleswarm

Not yet described

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