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Halaster Blackcloak

Halaster Blackcloak 5e reference with CR 23, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.

CR 23HumanoidLegendaryStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF

Overview

Halaster Blackcloak is a mad archmage of Undermountain, a reality-bending dungeon tyrant whose spells, traps, and intellect make him a campaign-tier threat.

Quick 5e Answer

Halaster Blackcloak CR, type, stat block, and table tools

Halaster Blackcloak is a CR 23 humanoid for D&D 5e. This page includes AC 19, HP 299 (46d8 + 92), a ready stat block, a downloadable PDF, and connected encounter tools.

CR23
TypeHumanoid
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC19
HP299 (46d8 + 92)

Original 5e-Compatible Stat Block

Halaster Blackcloak

Medium, Humanoid (Wizard), Chaotic Neutral

Original 5e5e-compatiblemonster-almanac-original-v1PDF Ready
Download PDF

This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.

Armor Class19
Hit Points299 (46d8 + 92)
Challenge23 β€’ 50,000 XP
Proficiency+7
Speed
Walk 30 ft.
Initiative
+4
Saving Throws
Cha +14, Con +9, Dex +11, Int +17, Wis +12
Skills
Arcana +17, History +17, Perception +12
Damage Resistances
Force, Psychic
Damage Immunities
Charmed
Condition Immunities
Charmed
Senses
Truesight 120 ft.; Passive Perception 22
Passive Perception
22
Languages
Common plus many arcane languages
STR10+0
DEX18+4
CON14+2
INT30+10
WIS20+5
CHA24+7

Traits

Mad Mage of the Depths

Halaster has Advantage on Intelligence, Wisdom, and Charisma saving throws while in a dungeon, tower, or magically altered structure.

Dungeon Sovereign

Creatures of Halaster's choice within 60 feet treat dungeon terrain as difficult terrain if Halaster can see them.

Actions

Arcane Rupture

Ranged Spell Attack: +17, range 120 ft. Hit: 45 (8d8 + 9) Force damage.

Dungeon Rewrites You (Recharge 5-6)

Intelligence Saving Throw: creatures of Halaster's choice within 60 feet. Failure: 126 (28d8) Psychic and Force damage, split evenly, and the target is Stunned until the end of its next turn. Success: Half damage.

Bonus Actions

Blackcloak Step

Halaster teleports up to 60 feet to an unoccupied space he can see inside a dungeon, corridor, room, or magical structure.

Reactions

Nonsense Counterspell

When a creature within 120 feet casts a spell, Halaster deals 18 (4d8) Psychic damage to that creature.

Legal Attribution

Original Monster Almanac compatible game statistics. This entry is designed for 5e-style tabletop play and does not reproduce closed-book stat block text.

Generated by Monster Almanac. This is original compatible game content, not an official SRD stat block.

License: Monster Almanac Original Compatible Content

Generate Terrain

Dungeon

Base + optional customizer

Custom
Morning β€’ Subterranean Draft β€’ Tight Corridors β€’ Cracked Tiles β€’ Iron Portcullis
BaseOpen

Ruins

Base + optional customizer

Custom
Morning β€’ Clear β€’ Scattered Walls β€’ Rubble Fields β€’ Fallen Statue
BaseOpen

Urban

Base + optional customizer

Custom
Morning β€’ Clear β€’ Tight Alleys β€’ Carts and Stalls β€’ Clocktower Base
BaseOpen

Note: These resource links work best when you are logged in to ChatGPT in your browser.

Halaster Blackcloak Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources

Halaster Blackcloak 5e reference: CR 23 humanoid, AC 19, HP 299 (46d8 + 92), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Dungeon,… This page is part of the complete Monster Almanac stat block library. It includes a original 5e-compatible stat block with a downloadable PDF sheet, plus connected prep tools. Use this Monster Almanac page to move from search result to table prep: read the quick 5e reference, open the stat block, download the PDF when available, generate a token or portrait prompt, build matching terrain, create a monster-bound fear hook, and turn Halaster Blackcloak into a focused hunt.

Using Halaster Blackcloak in play

Halaster Blackcloak can be used in Dungeon, Ruins, Urban when you want a CR 23 humanoid that helps shape combat pressure, exploration tension, or narrative danger.

Halaster Blackcloak is especially strong as a centerpiece threat, boss fight, regional terror, or memorable capstone encounter.

The attached original 5e-compatible stat block gives you a table-ready rules reference, and the PDF button keeps the sheet easy to print or save before the session.

This makes Halaster Blackcloak useful not only as a monster reference, but also as a scene-shaping piece for travel danger, dungeon pressure, wilderness discovery, or a stronger narrative threat.

Why this monster is useful

  • Fits naturally into Dungeon, Ruins, Urban.
  • Works as a CR 23 option for encounter building and pacing.
  • Connects directly with a stat block, downloadable PDF, portrait, token, chatbot, terrain, fear hook, and hunt resources.
  • Helps game masters move from reference to actual tabletop use more quickly.

Quick ideas for scene building

  • Use Halaster Blackcloak as a wandering threat tied to the local environment.
  • Pair the monster with terrain from the environments shown above.
  • Add an NPC witness, hunter, scholar, survivor, or fearful character to frame the danger.
  • Open the chatbot resource to give the creature more roleplay or lore flavor.
  • Use the hunt generator to turn this monster into a focused adventure hook.

Halaster Blackcloak 5e quick FAQ

What CR is Halaster Blackcloak in D&D 5e?

Halaster Blackcloak is listed in Monster Almanac as a CR 23 humanoid.

What type of monster is Halaster Blackcloak?

Halaster Blackcloak is listed as a humanoid.

Does Halaster Blackcloak have a 5e stat block?

Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.

Can I generate a token or hunt for Halaster Blackcloak?

Yes. This page links to Halaster Blackcloak token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.