Illustration Xan Drake

Leech Swarm

Tome of Beasts 2
Challenge 2
(450 XP)
Robinloft Estimated CR 1
Medium beast, unaligned
Armor Class 13
Hit Points 32 (5d8+10)
Speed 10 ft., swim 40 ft.
STR
5 (-3)
DEX
16 (+3)
CON
15 (+2)
INT
2 (-4)
WIS
13 (+1)
CHA
4 (-3)
Saving Throws
Skills Perception +3, Stealth +5
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
Senses darkvision 30 ft., passive Perception 13
Languages
Environments
Blood Frenzy.

The leech swarm has advantage on melee attack rolls against any creature that doesn’t have all its hp.

Blood Sense.

The leech swarm can pinpoint, by scent, the location of creatures that aren’t undead or constructs within 30 feet of it.

Swarm.

The leech swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny leech. The swarm can’t regain hp or gain temporary hp.

Actions

Bites. Melee Weapon Attack: +5 to hit, reach 0 ft., one creature. Hit: 14 (4d6) piercing damage, or 7 (2d6) piercing damage if the swarm has half its hp or fewer. If the target is a creature other than a construct or an undead, it must succeed on a DC 13 Dexterity saving throw or lose 2 (1d4) hp at the start of each of its turns as leeches attach to it and drain its blood. Any creature can take an action to find and remove the leeches with a successful DC 13 Wisdom (Perception) check. The leeches also detach if the target takes fire damage.

Leech Swarm

Not yet described

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