Giant Leech — fantasy monster illustration. Giant Leech is a small beast (Challenge Rating 1/4).

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Giant Leech

Small Beast, unaligned

AC
13
HP
7
Speed
15
CR
1/4

Giant leeches lurk in placid ponds, babbling creeks, and mighty rivers. They slink through the dark forest waters with their distinctive vertical undulation, following any movement they sense toward fresh blood. Some varieties have adapted to life in the oceans, and a rare few dwell on land, though land-dwelling leeches prefer humid, moist climates.


Armor Class 13

Hit Points 7 (2d6)

Speed 15 ft., swim 30 ft.


STR
6 (-2)
DEX
16 (+3)
CON
10 (+0)
INT
1 (-5)
WIS
10 (+0)
CHA
2 (-4)

Saving Throws Con +2, Dex +5

Skills Stealth +5

Senses tremorsense 30 ft., passive Perception 10

Languages

Challenge 1/4


Traits

Amphibious. The leech can breathe air and water.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) piercing damage, and the leech attaches to the target. While attached, the leech doesn't attack. Instead, at the start of each of the leech's turns, the target loses 5 (1d4 + 3) hp due to blood loss. The leech can detach itself by spending 5 feet of its movement. It does so after it drains 15 hp of blood from the target or the target dies. A creature, including the target, can use its action to detach the leech.

Community Images

Giant Leech — 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