Amorphous Apocalypse
The blob can move through a space as narrow as 1 inch wide without squeezing. It can climb difficult surfaces, including ceilings, without an ability check.
Blob of Annihilation
Blob of Annihilation 5e reference with CR 15, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
CR 15AberrationLegendaryStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF
Overview
A Blob of Annihilation is a colossal aberrant mass of cosmic destruction, an official boss monster built for apocalyptic pressure, spatial dread, and unstoppable consumption.
Quick 5e Answer
Blob of Annihilation CR, type, stat block, and table tools
Blob of Annihilation is a CR 15 aberration for D&D 5e. This page includes AC 17, HP 310 (20d20 + 100), a ready stat block, a downloadable PDF, and connected encounter tools.
CR15
TypeAberration
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC17
HP310 (20d20 + 100)
Original 5e-Compatible Stat Block
Blob of Annihilation
Gargantuan, Ooze, Unaligned
Original 5e5e-compatiblemonster-almanac-original-v1PDF Ready
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
Armor Class17
Hit Points310 (20d20 + 100)
Challenge16 • 15,000 XP
Proficiency+5
- Speed
- Walk 30 ft., Climb 30 ft.
- Initiative
- +1
- Saving Throws
- Con +10, Str +12, Wis +7
- Skills
- Perception +7
- Damage Resistances
- Acid, Cold, Fire, Lightning; Bludgeoning, Piercing, Slashing from nonmagical attacks
- Damage Immunities
- Necrotic, Poison
- Condition Immunities
- Blinded, Charmed, Deafened, Exhaustion, Frightened, Poisoned, Prone
- Senses
- Blindsight 120 ft.; Passive Perception 17
- Passive Perception
- 17
- Languages
- None
STR24+7
DEX12+1
CON20+5
INT3-4
WIS14+2
CHA8-1
Traits
Annihilating Surface
A creature that starts its turn within 5 feet of the blob or hits it with a melee attack while within 5 feet takes 10 (3d6) Force damage.
Void Hunger
The blob has Advantage on attack rolls against creatures and objects that are Grappled, Restrained, Prone, or unable to take Reactions.
Actions
Multiattack
The blob makes two Void Pseudopod attacks.
Void Pseudopod
Melee Attack Roll: +12, reach 15 ft. Hit: 25 (4d8 + 7) Bludgeoning damage plus 22 (5d8) Force damage. If the target is Large or smaller, it is Grappled.
Devouring Compression
Constitution Saving Throw: one creature Grappled by the blob. Failure: 54 (12d8) Force and Necrotic damage, split evenly, and the target cannot regain Hit Points until the start of the blob's next turn. Success: Half damage.
Annihilation Pulse (Recharge 5-6)
Dexterity Saving Throw: creatures of the blob's choice within 30 feet. Failure: 90 (20d8) Force damage, and the target is pulled up to 20 feet toward the blob. Success: Half damage and no pull.
Bonus Actions
Void Surge
The blob moves up to 15 feet toward a creature or object it can sense. This movement does not provoke Opportunity Attacks.
Reactions
Absorb the Edge
When the blob is hit by a ranged weapon attack, it reduces the damage by 15. If this reduces the damage to 0, the projectile is destroyed.
Legendary Actions
Oozing Drift
The blob moves up to 15 feet without provoking Opportunity Attacks.
Grasping Void
The blob makes one Void Pseudopod attack.
Hunger of Nothing
One creature Grappled by the blob must succeed on a Constitution saving throw or take 18 (4d8) Force damage.
Generate Terrain
Dungeon
Base + optional customizer
Morning • Subterranean Draft • Tight Corridors • Cracked Tiles • Iron Portcullis
Ruins
Base + optional customizer
Morning • Clear • Scattered Walls • Rubble Fields • Fallen Statue
Extraplanar
Base + optional customizer
Morning • Planar Instability • Warped Paths • Arcane Storm Lines • Planar Anchor
Underground
Base + optional customizer
Morning • Subterranean Draft • Earth Tunnels • Packed Earth • Collapsed Supports
Note: These resource links work best when you are logged in to ChatGPT in your browser.
Blob of Annihilation Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources
Blob of Annihilation 5e reference: CR 15 aberration, AC 17, HP 310 (20d20 + 100), 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 Blob of Annihilation into a focused hunt.
Using Blob of Annihilation in play
Blob of Annihilation can be used in Dungeon, Ruins, Extraplanar, Underground, Space when you want a CR 15 aberration that helps shape combat pressure, exploration tension, or narrative danger.
Blob of Annihilation 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 Blob of Annihilation 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, Extraplanar, Underground, Space.
- Works as a CR 15 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 Blob of Annihilation 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.
Blob of Annihilation 5e quick FAQ
What CR is Blob of Annihilation in D&D 5e?
Blob of Annihilation is listed in Monster Almanac as a CR 15 aberration.
What type of monster is Blob of Annihilation?
Blob of Annihilation is listed as a aberration.
Does Blob of Annihilation 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 Blob of Annihilation?
Yes. This page links to Blob of Annihilation token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
Continue building the scene
After choosing Blob of Annihilation, 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.