Mire Fiend — fantasy monster illustration. Mire Fiend is a medium fiend (Challenge Rating 5).

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Mire Fiend

Medium Fiend (Demon)

AC
16
HP
94
Speed
40
CR
5

Armor Class 16 (natural armor)

Hit Points 94

Speed 40 ft., swim 40 ft.


STR
14 (+2)
DEX
22 (+6)
CON
18 (+4)
INT
4 (-3)
WIS
14 (+2)
CHA
6 (-2)

Damage Resistances Demonic Resilience

Damage Immunities acid,Demonic Resilience

Senses darkvision 60 ft., keensense 10 ft.

Languages Abyssal

Challenge 5


Traits

Amphibious. The mire fiend can breathe air and water.

Demonic Resilience. The mire fiend is resistant to cold, fire, and lightning damage. In addition, it is immune to poison damage and to the poisoned condition.

Magic Resistance. The mire fiend has advantage on saves against spells and other magical effects.

Pack Tactics. The mire fiend has advantage on attack rolls against a creature if at least one of the mire fiend's allies is within 5 feet of the creature and the ally isn't incapacitated.

Swamp Camouflage. The mire fiend's Stealth is 21 while in swampy terrain.

Actions

Multiattack. The mire fiend makes one Mandibles attack, one Spear attack, and one Stinger attack.

Mandibles. _Melee Weapon Attack:_ +6 to hit, reach 5 ft., one creature. _Hit:_ 12 (2d8+3) slashing damage.

Spear. Melee Weapon or Ranged Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. _Hit:_ 5 (1d6+2) piercing damage, or 6 (1d8+2) piercing damage if used with two hands to make a melee attack.

Stinger. _Melee Weapon Attack:_ +6 to hit, reach 10 ft., one creature. _Hit:_ 5 (1d4+3) piercing damage plus 10 (3d6) poison damage, and the target must succeed on a DC 14 CON save or be poisoned.

Stunning Snap (Recharge 5-6). If the mire fiend has no creature grappled, it snaps its mandibles together with great force, creating a miniature sonic boom in a 30-foot cone.<br>Each creature in that area must make a DC 14 CON save. On a failure, a creature takes 21 (6d6) thunder damage and is stunned until the end of its next turn. On a success, a creature takes half the damage and isn't stunned.

Reactions

Acidic Retribution. When the mire fiend takes damage, including any damage that reduces it to 0 HP, it can expel acid from its stinger in a 15-foot line that is 5 feet wide. Each creature in that line must make a DC 14 DEX save, taking 10 (3d6) acid damage on a failed save, or half as much damage on a successful one.

Community Images

Mire Fiend — 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