Sources
CR
Type
Size
Alignment
Movement

Manes Vaporspawn

Medium Fiend (demon), Chaotic Evil

Armor Class 13
Hit Points 19 (3d8 + 6)
Speed 30 ft.
STR
14
+2
DEX
12
+1
CON
15
+2
INT
5
-3
WIS
8
-1
CHA
3
-4
Damage Resistances cold, fire, lightning
Damage Immunities poison
Condition Immunities Charmed, Exhaustion, Frightened, Grappled, Poisoned, Restrained
Senses Darkvision 60 ft., passive Perception 9
Languages understands Abyssal but can't speak
Challenge 1 (200 XP)

Traits

Contortionist. The manes can move through a space as narrow as 1 inch without expending extra movement to do so.

Sickening Vapors. Constitution Saving Throw: DC 12, each creature in a 5-foot Emanation originating from the manes at the end of the manes's turn. Failure: The target has the Incapacitated condition until the end of its next turn. Success: The target is immune to this manes's Sickening Vapors for 24 hours.

Actions

Claw. Melee Attack Roll: +4, reach 5 ft. Hit:5 (1d6 + 2) Slashing damage plus 5 (2d4) Necrotic damage.

Bonus Actions

Shadow Stealth. While in Dim Light or Darkness, the manes takes the Hide action.

Lore

Demons of Panic and Frenzy