puppetmaster of madness

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Medium Aberration (shapechanger), Chaotic Evil

Armor Class 17 (natural armor)

Hit Points 153 (18d8+72)

Speed 30 ft. climb 30 ft.

STR 10 (+0)

DEX 16 (+3)

CON 18 (+4)

INT 19 (+4)

WIS 15 (+2)

CHA 18 (+4)

Saving Throws Dex +7, Int +8, Wis +6, Cha +8

Skills Insight +6, Stealth +7, Deception +8, Perception +6, Performance +8

Damage Resistances psychic; bludgeoning, piercing, and slashing from nonmagical attacks

Condition Immunities charmed, frightened

Senses darkvision 120 ft., truesight 30 ft., passive Perception 16

Languages Common, Deep Speech, telepathy, telepathy 120 ft.

Challenge 12 (8,400 XP) Proficiency Bonus +4

Legendary Resistance (3/Day). If the Marionette Regent fails a saving throw, it can choose to succeed instead.

Strings in Every Shadow. The Marionette Regent can manipulate unattended objects and creatures it has charmed within 60 feet as though they were attached to invisible strings. It can open doors, draw weapons, pull levers, and perform other simple tasks without using its hands. It can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Madness as Stagecraft. When a creature within 60 feet fails a Wisdom saving throw against one of the Regent's abilities, the Regent gains 10 temporary hit points and can move that creature up to 10 feet without provoking opportunity attacks.

Cut the Audience. The Marionette Regent has advantage on saving throws against spells and other magical effects that would allow a creature to read its thoughts, perceive its true form, or determine its location.

Innate Spellcasting. puppetmaster of madness's spellcasting ability is Charisma (spell save DC 17, +9 to hit with spell attacks). It can innately cast the following spells, requiring no material components:

1/day each: dominate person, modify memory

3/day each: confusion, hypnotic pattern, major image

At will: detect thoughts, minor illusion, silent image

Actions

Multiattack. The Marionette Regent makes three String Lash attacks, or two String Lash attacks and one Mind Hook attack.

String Lash. Melee weapon Attack: +9 to hit, reach 30 ft., one target. Hit: 14 (2d8+5) slashing damage, plus 7 (2d6) psychic damage. If the target is a creature, it must succeed on a DC 17 Dexterity saving throw or have its speed reduced to 0 until the start of the Regent's next turn.

Mind Hook. Ranged spell Attack: +9 to hit, range 60 ft., one creature. Hit: 16 (2d10+5) psychic damage. The target must succeed on a DC 17 Strength saving throw or be pulled up to 20 feet toward the Regent and knocked prone.

Madness Curtain (Recharge 5-6). The Regent tears open a curtain of impossible colors in a 20-foot-radius sphere centered on a point it can see within 90 feet. Each creature in the area must make a DC 17 Wisdom saving throw, taking 8d8 psychic damage on a failed save, or half as much damage on a successful one. A creature that fails the save is also incapacitated until the end of its next turn as it acts out a private hallucination.

Dissonant Command. One creature the Regent can see within 60 feet must succeed on a DC 17 Wisdom saving throw or use its reaction, if available, to make one weapon attack against a target of the Regent's choice. If no valid target is within range, the creature instead moves up to half its speed in a direction chosen by the Regent. A creature immune to being charmed is immune to this effect.

Bonus Actions

Rehearse the Scene. The Marionette Regent teleports up to 20 feet to an unoccupied space it can see, leaving behind a flickering illusory duplicate that lasts until the start of its next turn.

Reactions

Tug the Invisible Thread. When a creature within 30 feet moves willingly, the Regent forces it to make a DC 17 Strength saving throw. On a failed save, the creature's movement ends immediately.

Legendary Actions

The Marionette Regent can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The Regent regains spent legendary actions at the start of its turn.

String Lash. The Regent makes one String Lash attack.

Choreograph. One creature the Regent can see within 60 feet must succeed on a DC 17 Wisdom saving throw or move up to 15 feet in a direction chosen by the Regent. This movement does not provoke opportunity attacks.

Stage Shift (Costs 2 Actions). The Regent teleports up to 30 feet to an unoccupied space it can see. Each creature within 5 feet of the space it left must succeed on a DC 17 Dexterity saving throw or take 7 (2d6) psychic damage.

Environment Urban, Underdark

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"Do not resist the part I have written for you. Improvisation is only madness with better lighting." — the final line of the Grand Teatro's lost script

Lore & Description

Appearance

The Marionette Regent resembles a tall, unnaturally thin humanoid draped in a coat of velvet-black skin. Its porcelain-white face is featureless except for a vertical grin filled with tiny brass teeth, while six glass eyes open and close across its brow whenever it senses fear. Dozens of translucent crimson strings emerge from its fingers, elbows, spine, and mouth, vanishing into the air above. Its limbs bend like carved wooden rods, and its movements alternate between elegant theatrical gestures and sudden, jerking spasms.

Behavior & Origins

The Marionette Regent was once the director of a celebrated theater in the city of Veyr, until it invited an alien intelligence into the orchestra pit and surrendered its audience to shared madness. It now believes every sentient creature is merely an unfinished puppet waiting for its proper role. The Regent secretly operates from the abandoned Grand Teatro Veyr, where kidnapped citizens are forced to perform the same play each midnight. It wants to assemble a perfect audience of a thousand minds and use their collective fear to give its unseen master a permanent body in the world.

Running puppetmaster of madness

Tactics

The Marionette Regent opens with Madness Curtain to scatter and incapacitate the party, then uses Mind Hook to drag isolated targets into reach of its String Lash attacks. It stays near ceilings, balconies, and cover, using Stage Shift and Rehearse the Scene to remain difficult to pin down. When reduced below half its hit points, it relies on Dissonant Command to turn wounded heroes against one another and flees through hidden passages if it loses access to at least two escape routes; it fights to the death only if the Grand Teatro or its assembled audience is threatened.

DM Tips

Telegraph the Regent through victims found standing motionless on rooftops, their shadows moving several seconds after they do, and distant applause from empty buildings.
Give the Regent a soft, courteous stage-director voice; it addresses characters by invented roles such as Hero, Betrayer, and Understudy rather than by name.
For a weaker party, reduce Madness Curtain to 6d8 psychic damage and remove the Regent's psychic resistance; for a stronger party, give it two additional uses of Rehearse the Scene each round.
Use terrain with balconies, curtains, dangling ropes, mannequins, and narrow catwalks so the Regent's forced movement and teleportation feel like active stage direction.

Loot

The Regent's Brass Baton — A blackened conductor's baton capped with a glass eye. It points toward the Grand Teatro Veyr whenever its former audience is in danger.
Audience Ledger — A leather book listing hundreds of names, each marked with a role and a predicted manner of death. Several entries belong to people the characters know.
Spool of Crimson Thought-Thread — A coil of nearly invisible psychic filament. Woven into a mask or puppet, it can replay one memory taken from the Regent's victims, though each use risks revealing the user's own thoughts to something listening beyond the world.

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Generation Info

Original prompt:
"puppetmaster of madness"

Created: Sep 28, 2026
Modified: Oct 26, 2026

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