Legendary Resistance (3/Day)
If the dragon fails a saving throw, it can choose to succeed instead.
Blue Dragon, Ancient
Blue Dragon, Ancient 5e reference with CR 23, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
CR 23DragonLegendaryStat Block + PDFHunt Ready
Official SRD 5.2.1 Stat BlockDownload PDF
Overview
An enormous ancient blue dragon whose azure scales have a metallic sheen. Its sweeping nasal horn has grown massive, curving like a ram’s horn, and its wings span over 100 feet; sand and glass cling to its scales.
Quick 5e Answer
Blue Dragon, Ancient CR, type, stat block, and table tools
Blue Dragon, Ancient is a CR 23 dragon for D&D 5e. This page includes AC 22, HP 481 (26d20 + 208), a ready stat block, a downloadable PDF, and connected encounter tools.
CR23
TypeDragon
Stat BlockOfficial SRD 5.2.1 Stat Block
PDF SheetAvailable
AC22
HP481 (26d20 + 208)
Official SRD 5.2.1 Stat Block
Ancient Blue Dragon
Gargantuan, Dragon, Chaotic Evil
Official SRD5e-2024srd-5.2.1-v1PDF Ready
This stat block uses official SRD 5.2.1 content under CC-BY-4.0 attribution.
Armor Class22
Hit Points481 (26d20 + 208)
Challenge23 • 50,000 XP
Proficiency+7
- Speed
- Fly 80 ft., Walk 40 ft., Burrow 40 ft.
- Initiative
- +0
- Saving Throws
- Cha +12, Con +15, Dex +7, Wis +10
- Skills
- Stealth +7, Perception +17
- Damage Immunities
- Lightning
- Senses
- Blindsight 60 ft., Darkvision 120 ft.; Passive Perception 27
- Passive Perception
- 27
- Languages
- Draconic
STR29+9
DEX10+0
CON27+8
INT18+4
WIS17+3
CHA21+5
Traits
Draconic Senses
The dragon has blindsight, darkvision, and keen awareness.
Actions
Multiattack
The dragon can use Frightful Presence. It then makes three attacks: one Bite and two Claw attacks.
Bite
Melee Attack Roll: +16, reach 10 ft. Hit: 20 (2d10 + 9) Piercing damage plus elemental damage based on the dragon color.
Claw
Melee Attack Roll: +16, reach 5 ft. Hit: 16 (2d6 + 9) Slashing damage.
Tail
Melee Attack Roll: +16, reach 15 ft. Hit: 18 (2d8 + 9) Bludgeoning damage.
Frightful Presence
Wisdom Saving Throw: each creature of the dragon choice within 120 feet. Failure: The target has the Frightened condition for 1 minute.
Breath Weapon (Recharge 5-6)
The dragon exhales a line of lightning. Creatures in the area make a saving throw, taking Lightning damage on a failure or half as much on a success.
Legendary Actions
Detect
The dragon makes a Wisdom (Perception) check.
Tail Attack
The dragon makes one Tail attack with attack bonus +16.
Wing Attack (Costs 2 Actions)
The dragon beats its wings. Nearby creatures must make a Dexterity saving throw or take Bludgeoning damage and fall Prone. The dragon can then fly up to half its flying speed.
Lair Actions
Static Discharge
Lightning crawls across stone, sand, or metal in a chosen area. Creatures there must resist lightning damage or lose their reactions briefly.
Thunder Tremor
The lair shudders with a buried peal of thunder. Creatures on the ground must resist being knocked prone.
Blinding Dust
A coil of dust and grit erupts in a chosen area, obscuring it and making ranged attacks through it unreliable.
Regional Effects
Stormless Thunder
Distant thunder rolls even under clear skies, and dry lightning crawls along high ridges and buried ruins.
Glass Scars
Sand near the lair fuses into jagged glassy veins where the dragon's power has bled into the ground.
False Oases
Travelers see shimmering water or shelter that vanishes as they approach, often drawing them closer to the lair.
Generate Terrain
Desert
Base + optional customizer
Morning • Clear • Rolling Dunes • Rocky Outcrops • Giant Bones
Hill
Base + optional customizer
Morning • Clear • Rolling Hills • Boulder Clusters • Hilltop Shrine
Note: These resource links work best when you are logged in to ChatGPT in your browser.
Blue Dragon, Ancient Token, Portrait, Chatbot, Terrain, Fear Hooks, Hunt Generator, and D&D 5e Resources
Blue Dragon, Ancient 5e reference: CR 23 dragon, AC 22, HP 481 (26d20 + 208), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Desert,… This page is part of the complete Monster Almanac stat block library. It includes a official srd 5.2.1 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 Blue Dragon, Ancient into a focused hunt.
Using Blue Dragon, Ancient in play
Blue Dragon, Ancient can be used in Desert, Hill when you want a CR 23 dragon that helps shape combat pressure, exploration tension, or narrative danger.
Blue Dragon, Ancient is especially strong as a centerpiece threat, boss fight, regional terror, or memorable capstone encounter.
The attached official srd 5.2.1 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 Blue Dragon, Ancient 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 Desert, Hill.
- Works as a CR 23 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 Blue Dragon, Ancient 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.
Blue Dragon, Ancient 5e quick FAQ
What CR is Blue Dragon, Ancient in D&D 5e?
Blue Dragon, Ancient is listed in Monster Almanac as a CR 23 dragon.
What type of monster is Blue Dragon, Ancient?
Blue Dragon, Ancient is listed as a dragon.
Does Blue Dragon, Ancient have a 5e stat block?
Yes. This page includes a official srd 5.2.1 stat block and a downloadable PDF sheet.
Can I generate a token or hunt for Blue Dragon, Ancient?
Yes. This page links to Blue Dragon, Ancient token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
Continue building the scene
After choosing Blue Dragon, Ancient, 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.