Mad Mage of the Depths
Halaster has Advantage on Intelligence, Wisdom, and Charisma saving throws while in a dungeon, tower, or magically altered structure.
Halaster Blackcloak 5e reference with CR 23, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
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 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.
Original 5e-Compatible Stat Block
Medium, Humanoid (Wizard), Chaotic Neutral
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
Halaster has Advantage on Intelligence, Wisdom, and Charisma saving throws while in a dungeon, tower, or magically altered structure.
Creatures of Halaster's choice within 60 feet treat dungeon terrain as difficult terrain if Halaster can see them.
Ranged Spell Attack: +17, range 120 ft. Hit: 45 (8d8 + 9) Force damage.
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.
Halaster teleports up to 60 feet to an unoccupied space he can see inside a dungeon, corridor, room, or magical structure.
When a creature within 120 feet casts a spell, Halaster deals 18 (4d8) Psychic damage to that creature.
Base + optional customizer
Base + optional customizer
Base + optional customizer
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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,β¦ 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.
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.
Halaster Blackcloak is listed in Monster Almanac as a CR 23 humanoid.
Halaster Blackcloak is listed as a humanoid.
Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.
Yes. This page links to Halaster Blackcloak token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Halaster Blackcloak, the next step is usually to connect the monster with a place, an encounter shape, a supporting cast, or a character who fears it. Use the tools below to keep building without leaving the Monster Almanac workflow.