Steam Mephit

Small Elemental, Neutral Evil

AC: 10

Initiative: +0 (10)

HP: 21 (6d6)

Speed: 30 ft., fly 30 ft.

STR
5 (-3)
DEX
11 (+0)
CON
10 (+0)
INT
11 (+0)
WIS
10 (+0)
CHA
12 (+1)

Immunities: fire; poison

Condition Immunities: poisoned

Senses: darkvision 60 ft., Passive Perception 10

Languages: Aquan, Ignan

CR: 1/4 (XP 50; PB +2)

Habitat: Underwater

Death Burst.

When the mephit dies, it explodes in a cloud of steam. Each creature within 5 feet of the mephit must succeed on a DC 10 Dexterity saving throw or take 4 (1d8) fire damage.

Innate Spellcasting (1/Day).

The mephit can innately cast blur, requiring no material components. Its innate spellcasting ability is Charisma.

At will: blur

Actions

Claws.

Melee Weapon Attack: +2 to hit, reach 5 ft., one creature. Hit: 2 (1d4) slashing damage plus 2 (1d4) fire damage.

Steam Breath (Recharge 6).

The mephit exhales a 15-foot cone of scalding steam. Each creature in that area must succeed on a DC 10 Dexterity saving throw, taking 4 (1d8) fire damage on a failed save, or half as much damage on a successful one.

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Steam Mephit

Source: Monster Manual (2014), p. 217 - Licenses and attribution