Cavern Sovereign
The dragon has Advantage on Dexterity (Stealth) checks in caves, ruins, darkness, and underground water.
Adult Deep Dragon
Adult Deep Dragon 5e reference with CR 11, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
CR 11DragonLegendaryStat Block + PDFHunt Ready
Original 5e-Compatible Stat BlockDownload PDF
Overview
An adult deep dragon is a huge, serpentine dragon of the Underdark with smooth purple-to-black scales, narrow wings, and a sly, secretive intelligence. It glides through lightless caverns, exhales maddening spores, and delights in ambush, manipulation, and hidden lairs rich with fungal growths and stolen lore.
Quick 5e Answer
Adult Deep Dragon CR, type, stat block, and table tools
Adult Deep Dragon is a CR 11 dragon for D&D 5e. This page includes AC 19, HP 212 (17d12 + 102), a ready stat block, a downloadable PDF, and connected encounter tools.
CR11
TypeDragon
Stat BlockOriginal 5e-Compatible Stat Block
PDF SheetAvailable
AC19
HP212 (17d12 + 102)
Original 5e-Compatible Stat Block
Adult Deep Dragon
Huge, Dragon (Deep Dragon), Neutral Evil
Original 5e5e-compatiblemonster-almanac-original-v1PDF Ready
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
Armor Class19
Hit Points212 (17d12 + 102)
Challenge11 • 7,200 XP
Proficiency+4
- Speed
- Fly 80 ft., Swim 40 ft., Walk 40 ft.
- Initiative
- +2
- Saving Throws
- Cha +9, Con +10, Dex +6, Wis +7
- Skills
- Stealth +6, Deception +9, Perception +11
- Damage Resistances
- Poison, Psychic
- Condition Immunities
- Charmed
- Senses
- Blindsight 60 ft., Darkvision 120 ft.; Passive Perception 21
- Passive Perception
- 21
- Languages
- Common, Draconic, Undercommon, telepathy 120 ft.
STR24+7
DEX14+2
CON22+6
INT18+4
WIS16+3
CHA20+5
Traits
Subterranean Instinct
The dragon ignores difficult terrain caused by rubble, fungal growth, slick stone, and shallow underground water.
Actions
Multiattack
The dragon makes three attacks: Bite and two Claws.
Bite
Melee Attack Roll: +11, reach 15 ft. Hit: 20 (2d12 + 7) Piercing damage plus 18 (4d8) Poison damage.
Claw
Melee Attack Roll: +11, reach 10 ft. Hit: 14 (2d6 + 7) Slashing damage.
Nightmare Breath (Recharge 5-6)
Wisdom Saving Throw: creatures in a 60-foot Cone. Failure: 72 (16d8) Psychic damage and the target is Frightened until the end of its next turn. Success: Half damage.
Bonus Actions
Shadowed Wingbeat
The dragon moves up to 30 feet without provoking Opportunity Attacks while in darkness, fog, or underground terrain.
Generate Terrain
Underdark
Base + optional customizer
Morning • Subterranean Draft • Fungal Forests • Spore Fields • Fungal Tower
Dungeon
Base + optional customizer
Morning • Subterranean Draft • Tight Corridors • Cracked Tiles • Iron Portcullis
Note: These resource links work best when you are logged in to ChatGPT in your browser.
Adult Deep Dragon Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources
Adult Deep Dragon 5e reference: CR 11 dragon, AC 19, HP 212 (17d12 + 102), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Underdark,… 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 Adult Deep Dragon into a focused hunt.
Using Adult Deep Dragon in play
Adult Deep Dragon can be used in Underdark, Dungeon when you want a CR 11 dragon that helps shape combat pressure, exploration tension, or narrative danger.
Adult Deep Dragon 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 Adult Deep Dragon 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 Underdark, Dungeon.
- Works as a CR 11 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 Adult Deep Dragon 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.
Adult Deep Dragon 5e quick FAQ
What CR is Adult Deep Dragon in D&D 5e?
Adult Deep Dragon is listed in Monster Almanac as a CR 11 dragon.
What type of monster is Adult Deep Dragon?
Adult Deep Dragon is listed as a dragon.
Does Adult Deep Dragon 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 Adult Deep Dragon?
Yes. This page links to Adult Deep Dragon token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
Continue building the scene
After choosing Adult Deep Dragon, 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.