Mire Fiend

Stat block

Cha

6

Con

18

Dex

22

Int

4

Str

14

Wis

14

Speed

Swim: 40; Walk: 40

Senses

darkvision 60 ft., keensense 10 ft.

Skills

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.

Languages

Abyssal

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.

Saving throws

Wisdom: 2; Charisma: -2; Strength: 2; Dexterity: 6; Constitution: 4; Intelligence: -3

Damage immunities

acid,Demonic Resilience

Special abilities

• 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.

Damage resistances

Demonic Resilience