Back
monsters beast cr-2-4 Tome of Beasts 2

Leech Swarm

In swampy areas where food is plentiful, leeches gather together in swarms numbering in the hundreds to hunt prey. When their food supply is diminished, the leeches often turn on each other, effectively destroying the swarm. The scent of blood att...

0 0 0
Upload Image

Leech Swarm

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 Immunities —

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

Senses darkvision 30 ft., passive Perception 13

Languages —

Challenge 2 (450 XP)

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 in the swarm's space. 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.

Reactions

None.


In swampy areas where food is plentiful, leeches gather together in swarms numbering in the hundreds to hunt prey. When their food supply is diminished, the leeches often turn on each other, effectively destroying the swarm. The scent of blood attracts leech swarms, and they easily locate warm-blooded prey. Victims who move out of a leech swarm are not safe, as several leeches remain attached and continue to drain blood until they are removed. These hangers-on are adept at locating hard-to-reach places on their prey as they wriggle into gaps in armor or crawl into boots. Their victims must spend extra time to locate and remove them.

Source: Tome of Beasts 2 © 2020, Open Design LLC. Used under the Open Gaming License v1.0a.

Content designated as Open Game Content. See our full license page for complete OGL text and Section 15 copyright notices.

Formatted by BubblyBards. Publishers: contact us to claim or transfer this page.

Comments (0)

User-Generated Content: Bubblybards is an independent, fan-run community platform. Content is created by users and we are not responsible for third-party intellectual property. If you believe content violates your copyright, please report it.

D&D 5e SRD Attribution: This site uses content from the D&D 5th Edition Systems Reference Document 5.1 by Wizards of the Coast, available under the CC BY 4.0 license.

Dungeons & Dragons, D&D, and Wizards of the Coast are trademarks of Wizards of the Coast LLC. Bubblybards is not affiliated with, endorsed, sponsored, or specifically approved by Wizards of the Coast.