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Hellfire Engine

Hellfire Engine 5e reference with CR 16, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.

CR 16ConstructStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF

Overview

A massive infernal war machine of spiked iron and blazing furnaces, the hellfire engine crushes everything in its path while belching soul-searing flames.

Quick 5e Answer

Hellfire Engine CR, type, stat block, and table tools

Hellfire Engine is a CR 16 construct for D&D 5e. This page includes AC 20, HP 345 (30d12 + 150), a ready stat block, a downloadable PDF, and connected encounter tools.

CR16
TypeConstruct
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC20
HP345 (30d12 + 150)

Original 5e-Compatible Stat Block

Hellfire Engine

Huge, Construct (Infernal War Machine), Lawful Evil

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 Class20
Hit Points345 (30d12 + 150)
Challenge16 β€’ 15,000 XP
Proficiency+5
Speed
Walk 40 ft.
Initiative
+1
Saving Throws
Con +10, Str +13
Skills
β€”
Damage Resistances
Cold; Bludgeoning, Piercing, Slashing from nonmagical attacks
Damage Immunities
Fire, Poison, Psychic
Condition Immunities
Charmed, Exhaustion, Frightened, Paralyzed, Petrified, Poisoned
Senses
Darkvision 120 ft.; Passive Perception 11
Passive Perception
11
Languages
Understands Infernal but cannot speak
STR26+8
DEX12+1
CON20+5
INT8-1
WIS12+1
CHA10+0

Traits

Infernal Siege Engine

The engine deals double damage to objects and structures.

Hell Furnace

A creature that starts its turn within 10 feet takes 10 (3d6) Fire damage unless it has total cover from the engine.

Actions

Multiattack

The engine makes two Iron Ram attacks and one Hellfire Cannon attack.

Iron Ram

Melee Attack Roll: +13, reach 10 ft. Hit: 31 (4d10 + 8) Bludgeoning damage.

Hellfire Cannon

Ranged Spell Attack: +10, range 150 ft. Hit: 45 (10d8) Fire damage.

Infernal Overrun (Recharge 5-6)

Dexterity Saving Throw: creatures in a 60-foot Line. Failure: 90 (20d8) Fire and Bludgeoning damage, split evenly, and the target falls Prone. 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

Urban

Base + optional customizer

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

Ruins

Base + optional customizer

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

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

Hellfire Engine Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources

Hellfire Engine 5e reference: CR 16 construct, AC 20, HP 345 (30d12 + 150), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Extraplanar,… 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 Hellfire Engine into a focused hunt.

Using Hellfire Engine in play

Hellfire Engine can be used in Extraplanar, Urban, Ruins when you want a CR 16 construct that helps shape combat pressure, exploration tension, or narrative danger.

Hellfire Engine 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 Hellfire Engine 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, Urban, Ruins.
  • Works as a CR 16 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 Hellfire Engine 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.

Hellfire Engine 5e quick FAQ

What CR is Hellfire Engine in D&D 5e?

Hellfire Engine is listed in Monster Almanac as a CR 16 construct.

What type of monster is Hellfire Engine?

Hellfire Engine is listed as a construct.

Does Hellfire Engine 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 Hellfire Engine?

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