Muck Mephit Oozer

Family: Mephits

Small elemental, neutral evil

Armor Class 11
Hit Points 40 (9d6+9)
Speed 20 ft., fly 15 ft., swim 25 ft.

10 (+0) 12 (+1) 13 (+1) 9 (-1) 11 (+0) 6 (-2)

Skills Perception +2, Stealth +3
Damage Immunities poison
Condition Immunities poisoned
Senses darkvision 60 ft., passive Perception 12
Languages Aquan, Common, Terran
Challenge 1 (200 XP)


  • Death Burst. When a muck mephit oozer dies, it explodes in a burst of sticky mud. Each Medium or smaller creature within 5 feet of it must succeed on a DC 11 Dexterity saving throw or be restrained until the end of the creature’s next turn and suffer 3 (1d6) bludgeoning damage (half on a successful save).
  • False Appearance. While a muck mephit oozer remains motionless it is indistinguishable from a regular pile of mud.
  • Control Mud (1/Day). As an action, a muck mephit oozer can innately cause the level of all standing mud in an area the size of a cube up to 30 feet on a side to rise by as much as 10 feet, requiring no material components and using Constitution as its spellcasting ability. If the area includes any dry ground then the rising mud will spill over onto it. This will last up to 10 minutes while the Mephit concentrates on it. If the Mephit chooses an area in a large body of mud, it can instead create a 10-foot tall wave that travels from one side of the area to the other and then crashes down. Any Large or smaller creatures or vessels in the wave’s path are carried with it to the other side; vessels have a 25 percent chance of capsizing.
  • Summon Mephits (1/Day). A muck mephit oozer has a 25 percent chance of summoning 2 (1d4) normal muck mephits. A summoned Muck Mephit appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and cannot summon other mephits. It remains for one minute, until it or its summoner dies, or until its summoner dismisses it as an action.


  • Fists. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6+1) bludgeoning damage.
  • Mud Breath (Recharge 6). A muck mephit Oozer can vomit thick mud onto one creature within 5 feet of it. If the target is size Medium or smaller, it must succeed on a DC 11 Dexterity saving throw or be restrained for one minute and take 4 (1d8) bludgeoning damage (half as much on a successful save). A creature can repeat the saving throw at the end of each of its turns, ending the effect on a success.


Muck mephit oozers look much like regular muck mephits but are somewhat larger and continuously have blobs of mud sliding off of them to reveal arcane runes that glow palely like swamp gas. Such creatures are superior to their lesser cousins in most ways and sometimes summon and lead them in activities they cannot accomplish alone. They can speak Aquan, Terran, and Common.

Section 15: Copyright Notice

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