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

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Swamp Adder

Small Beast, unaligned

AC
13
HP
18
Speed
30
CR
1/4

A vicious snake with a squat, diamond-shaped head, a puffed neck, and a peculiar yellow band around its body, the swamp adder is a stout, somewhat lethargic hunter.
Marsh Hunter. This venomous snake—sometimes known as the “speckled band”—is native to the marshes of southern realms, where it devours waterfowl and incautious halflings.
Bred for Venom. The swamp adder is simultaneously feared and prized for its potent paralytic venom. A swamp adder is quite thin, though it may grow up to 12 feet long and the largest weigh as much as 50 pounds. A dose of paralytic swamp adder venom is worth 3,000 gp or more on the black market.


Armor Class 13

Hit Points 18 (4d6+4)

Speed 30 ft.


STR
4 (-3)
DEX
16 (+3)
CON
12 (+1)
INT
1 (-5)
WIS
10 (+0)
CHA
4 (-3)

Senses blindsight 10 ft., passive Perception 10

Languages -

Challenge 1/4


Traits

Swamp Camouflage. The swamp adder has advantage on Dexterity (Stealth) checks while in swamp terrain.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 1 piercing damage, and the target must make a successful DC 11 saving throw or become poisoned. While poisoned this way, the target is paralyzed and takes 3(1d6) poison damage at the start of each of its turns. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself with a success.

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Swamp Adder — 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