Holocron

Dark Side Spirit

Medium undead · CR 5
sizeMediumcr5
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An incorporeal undead that drifts through walls and assaults minds, turning the party against itself with maddening psychic whispers.
Controller
How to run itPhase through terrain to stay untouchable, use Whispers of Madness to make PCs strike each other, and Howling Babble to stun a cluster.

Armor Class 13 · Hit Points 40 (9d8) · Speed 30 ft., fly 40 ft. (hover)

STR DEX CON INT WIS CHA
6 17 10 17 15 16

Incorporeal Movement (Trait). The spirit 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.

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

Whispers of Madness (Action). The spirit 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 (1d8 + 3) psychic damage and must use its reaction to make a melee weapon attack against one creature of the spirit's choice that the spirit can see.

Howling Babble (Action). Each creature within 30 feet of the spirit 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.