Tzitzimitl
Tzitzimitl — The Encounter
Skeletal star-demon who falls when the sun is devoured · a boss your table can run with almost no prep. SRD 5.1-compatible.
Who Is Tzitzimitl
When the sun is swallowed and the day goes black, the people bar their doors and hold their breath, for these are the hours the Tzitzimime fall. Star-demons of the first creation, they were cast from the night sky in the war of the suns and wait at the edge of the world for the heavens to fail. During an eclipse they descend on cold light, skeletal and ravenous, to devour the living before the sun can be reborn. A Tzitzimitl is not slain so much as scattered; her body is bared bone hung with the rags of a goddess, her gaze a hole through which warmth and life pour out and never return. Midwives feared her above all, for she hungers most for the newborn and the woman in labor, the thresholds between one life and the next. Make noise, strike copper, light every fire you can find, the old grandmothers say, and pray the sun outlasts her hunger.
Run Tzitzimitl in Sixty Seconds
- Hold the light. Eclipse Omen drags the fight into the dark. Make players track their light sources; whoever stands in darkness is the Tzitzimitl's preferred prey and eats advantage on its attacks.
- Open with the Gaze. Lead Devouring Gaze (Recharge 5-6) at the party's caster or healer, then commit Talons to the same target. The hit-point-maximum drain is the whole threat, stack it.
- Kill-priority is the marked target. Once it's locked onto a single creature to unmake, it ignores everyone else. Make the party physically pull that target back or block line of sight.
- When bloodied, it presses harder. It uses Falling Star every round to chase the bloodied or isolated, and remember it bursts for 4d6 cold in a 10-foot radius the instant it dies, don't melee-finish it in a huddle.
- Three ways to run it: a lone eclipse-omen horror that snuffs the dungeon's lights; the executioner among a grave-cult ambush; or one of many in a true falling-star night where the whole sky is the encounter.
Tzitzimitl
Medium undead, neutral evil
CR 6 · 2,300 XP · GUIDELINEEclipse Omen. Signature. The Tzitzimitl sheds no light and devours nearby light. Each bright light source (torches, lanterns, the light spell) within 20 feet is reduced to dim light, and dim light within 20 feet becomes darkness. While in darkness the Tzitzimitl has advantage on attack rolls against any creature that cannot see in it.
Star That Fell. When the Tzitzimitl drops to 0 hit points, it bursts in a rain of cold starfire. Each creature within 10 feet must make a DC 15 Dexterity saving throw, taking 14 (4d6) cold damage on a failed save, or half as much on a success.
Actions
Multiattack. The Tzitzimitl makes two Talon attacks. It can replace one attack with Devouring Gaze if that trait is available.
Talon. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8+3) slashing damage plus 9 (2d8) necrotic damage. A creature reduced to 0 hit points by this attack has its body unmade in cold light and cannot be restored except by true resurrection or a wish.
Devouring Gaze (Recharge 5-6). The Tzitzimitl fixes its hollow eyes on one creature it can see within 60 feet. The target must make a DC 15 Constitution saving throw, taking 27 (6d8) necrotic damage on a failed save, or half as much on a success. On a failure the target's hit point maximum is reduced by an amount equal to the damage taken until it finishes a long rest.
Bonus Actions & Reactions
Falling Star. Reaction (when a creature the Tzitzimitl can see ends its turn in dim light or darkness within 30 feet). The Tzitzimitl moves up to 15 feet toward that creature without provoking opportunity attacks.
A gaunt woman of bared bone and rotting sinew, her face a fanged skull crowned with eagle-down and serpent locks, clawed hands spread to rend. She wears an Aztec-patterned skirt and nothing of mercy.
Tzitzimitl, Bound
Companion · acts on your initiative
Bound · GUIDELINEEclipse Ward (signature). Tzitzimitl can see normally in magical and nonmagical darkness out to 60 feet, and allies within 10 feet of her ignore the penalties of dim light for ranged attacks.
Actions
Obsidian Spear. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6+4) piercing damage plus 7 (2d6) necrotic damage.
Reactions
Borrowed Starfire. When an ally within 30 feet is reduced to 0 hit points, Tzitzimitl can use her reaction to grant them 7 (2d6) temporary hit points and stand them up to half their speed of movement.
A surviving midwife who stared into the falling star and lived, Tzitzimitl now turns its cold light against its makers.
Guideline numbers — formula-tuned and read from the miniature's design, not yet table-proven. Tell us how it ran in the comments.
How It Fights — by Tier
Same creature, scaled threat. The traits never change; only the numbers move.
Open by snuffing the party's light with Eclipse Omen so they fight half-blind, then Falling Star toward whoever's isolated in the dark. Kill-priority is anyone holding a torch or casting light. Pair it with grave-cult cultists; a lone party at this tier should treat it as a deadly set-piece, not a brawl.
Open with Devouring Gaze on the squishiest caster to crater their hit point maximum, then close with two Talons on the same target to finish the unmaking. If the party clusters in lit ground, douse it with Eclipse Omen and pull them into darkness via Falling Star. Pair it with lesser undead or eclipse-cult minions; it is an add-on horror, not a solo boss.
Run it as the flagship of a falling-star host: Devouring Gaze the healer, Talon the front line, and let its lair of perpetual darkness deny the party light entirely. Kill-priority stays on whoever it has marked for unmaking. Pair it with a bigger eclipse-deity threat or a swarm of lesser star-demons so the action economy doesn't fall on it alone.
Put Tzitzimitl on the table
Download the presupported STL and run the fight tonight — the model, and the encounter that comes with it.
Get the STL on MyMiniFactory →Clay Cyanide Companion Rules v1
How a bound creature acts
- A companion acts on its owner's initiative, immediately after the owner.
- It uses the Companion block above — roughly ×0.6 HP and damage, no recharge abilities, and at most one reaction trait.
- It moves freely; it takes its Action only while its owner is conscious.
- At 0 HP a companion is broken, not dead — restored on a long rest unless your table rules otherwise.
Original Clay Cyanide material © Clay Cyanide LLC — explicitly not the non-SRD official sidekick rules.
Questions, Asked at the Table
What CR is Tzitzimitl?
Native CR 6 (Tier 2, ~levels 5-10): AC 15, 123 HP, +6 to hit, save DC 15. Stat blocks for Tier 1 (~CR 2) and Tier 3 (~CR 11) are provided, with identical traits and only the numbers scaled.
Can Tzitzimitl be a companion or ally?
Not the star-demon itself, it is a ravenous undead horror. Use the companion Citlali, Star-Touched, a surviving midwife who wields the eclipse's cold light to ward allies and turn the falling star's power back on its makers.
Is the Tzitzimitl solo-boss material?
No. It lacks legendary actions, so a four-person party will out-act it in a one-on-one fight. Run it as a punishing add-on alongside cultists, lesser undead, or a larger eclipse-deity threat rather than a centerpiece solo boss.
Tell Us How It Ran
This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at creativecommons.org/licenses/by/4.0/legalcode.
Clay Cyanide Miniatures is not affiliated with, endorsed, sponsored, or specifically approved by Wizards of the Coast LLC. This content is compatible with the fifth edition of the world's most popular fantasy roleplaying game. Companion rules, lore, names, and original mechanics © Clay Cyanide LLC.
Technical Specifications
32mm, 75mm
STL, Pre-supported STL
Standard or ABS-like resin, 0.05mm layer height
Yes — ready to print, optimized supports included
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