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Astral Dreadnought

Astral Dreadnought 5e reference with CR 21, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.

CR 21MonstrosityStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF

Overview

An astral dreadnought is a gargantuan titan of the Astral Plane, a monstrous predator with a cyclopean antimagic eye, vast claws, and a maw that leads to a living demiplane prison. It drifts through the silver void devouring travelers, ships, and magic with unstoppable hunger.

Quick 5e Answer

Astral Dreadnought CR, type, stat block, and table tools

Astral Dreadnought is a CR 21 monstrosity for D&D 5e. This page includes AC 21, HP 472 (35d20 + 105), a ready stat block, a downloadable PDF, and connected encounter tools.

CR21
TypeMonstrosity
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC21
HP472 (35d20 + 105)

Original 5e-Compatible Stat Block

Astral Dreadnought

Gargantuan, Monstrosity, Unaligned

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 Class21
Hit Points472 (35d20 + 105)
Challenge21 β€’ 33,000 XP
Proficiency+7
Speed
Fly 60 ft. (hover)
Initiative
+2
Saving Throws
Con +12, Str +16, Wis +10
Skills
Perception +16
Damage Resistances
Force, Psychic; Bludgeoning, Piercing, Slashing from nonmagical attacks
Damage Immunities
Charmed, Frightened, Poisoned
Condition Immunities
Charmed, Frightened, Poisoned, Prone
Senses
Truesight 120 ft.; Passive Perception 26
Passive Perception
26
Languages
None
STR30+10
DEX14+2
CON22+6
INT6-2
WIS18+4
CHA10+0

Traits

Astral Devourer

The dreadnought can hover and does not fall Prone while conscious.

Planar Maw

A creature swallowed or carried by the dreadnought cannot teleport unless it succeeds on a Charisma saving throw at the end of its turn.

Actions

Multiattack

The dreadnought makes one Bite attack and two Claw attacks.

Bite

Melee Attack Roll: +16, reach 20 ft. Hit: 55 (7d12 + 10) Piercing damage.

Claw

Melee Attack Roll: +16, reach 15 ft. Hit: 36 (4d12 + 10) Slashing damage.

Astral Rupture (Recharge 5-6)

Charisma Saving Throw: creatures in a 90-foot Cone. Failure: 99 (22d8) Force damage and the target cannot teleport until the end of its next turn. Success: Half damage.

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

Extraplanar

Base + optional customizer

Custom
Morning β€’ Planar Instability β€’ Warped Paths β€’ Arcane Storm Lines β€’ Planar Anchor
BaseOpen

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

Astral Dreadnought Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources

Astral Dreadnought 5e reference: CR 21 monstrosity, AC 21, HP 472 (35d20 + 105), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for… 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 Astral Dreadnought into a focused hunt.

Using Astral Dreadnought in play

Astral Dreadnought can be used in Extraplanar when you want a CR 21 monstrosity that helps shape combat pressure, exploration tension, or narrative danger.

Astral Dreadnought works well as a supporting threat, recurring danger, or encounter-building piece inside a larger scene.

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 Astral Dreadnought 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 Extraplanar.
  • Works as a CR 21 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 Astral Dreadnought 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.

Astral Dreadnought 5e quick FAQ

What CR is Astral Dreadnought in D&D 5e?

Astral Dreadnought is listed in Monster Almanac as a CR 21 monstrosity.

What type of monster is Astral Dreadnought?

Astral Dreadnought is listed as a monstrosity.

Does Astral Dreadnought 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 Astral Dreadnought?

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