Steam Mephit
Small elemental, neutral evil
Armor Class 10 (natural armor)
Hit Points 17 (5d6)
Speed 30 ft., fly 30 ft., swim 15 ft., climb 15 ft.
str
5 (-3)
dex
11 (+0)
con
10 (+0)
int
11 (+0)
wis
10 (+0)
cha
12 (+1)
Skills Stealth +2
Damage Immunities fire, poison
Condition Immunities exhaustion, poisoned
Senses darkvision 60 ft., passive Perception 10
Languages Primordial (Aquan, Ignan)
Challenge 1/4 (50 XP)
Blurred Form. Attack rolls against the mephit are made with Disadvantage unless the mephit has the Incapacitated condition.
Death Burst. The mephit explodes when it dies. Dexterity Saving Throw: DC 10, each creature in a 5-foot Emanation originating from the mephit. Failure: 5 (2d4) Fire damage. Success: Half damage.
Actions
Claw. Melee Attack Roll: +2, reach 5 ft. 2 (1d4) Slashing damage plus 2 (1d4) Fire damage.
Steam Breath. Constitution Saving Throw: DC 10, each creature in a 15-foot Cone. Failure: 5 (2d4) Fire damage, and the target's Speed decreases by 10 feet until the end of the mephit's next turn. Success: Half damage only. Failure or Success: Being underwater doesn't grant Resistance to this Fire damage.