Allip

Medium undead, neutral evil

Armor Class 13

Hit Points 40 (9d8)

Speed 0 ft., fly 40 ft. (hover)

Saving Throws Int +6, Wis +5

Skills Perception +5, Stealth +6

Damage Resistances acid, fire, necrotic, thunder, bludgeoning, piercing, and slashing from nonmagical weapons

Damage Immunities cold , necrotic, poison

Condition Immunities charmed, exhaustion, frightened, grappled, paralyzed, petrified, poisoned, prone, restrained

Senses darkvision 60 ft ., passive Perception 15

Languages the languages it knew in life

Challenge 5 (1800 XP)

Incorporeal Movement. The allip can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.

Actions

Maddening Touch Melee Spell Attack: +6 to hit, reach 5 ft., one target. Hit: 17 (4d6 + 3) psychic damage.

Whispers of Madness The allip chooses up to three creatures it can see within 60 feet of it. Each target must succeed on a DC 14 Wisdom saving throw, or it takes 7 (ld8 + 3) psychic damage and must use its reaction to make a melee weapon attack against one creature of the allip’s choice that the allip can see. Constructs and undead are immune to this effect.

Howling Babble (Recharge 6) Each creature within 30 feet of the allip that can hear it must make a DC 14 Wisdom saving throw. On a failed save, a target takes 12 (2d8 + 3) psychic damage, and it is stunned until the end of its next turn. On a successful save, it takes half as much damage and isn’t stunned. Constructs and undead are immune to this effect.