Reflective Scales
The first time each round the dragon takes Radiant damage, reduce that damage by 15.
Crystal Dragon (Adult) 5e reference with CR 12, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
An adult crystal dragon is a huge gem dragon with radiant frost breath, playful cunning, and a streak of chaotic curiosity beneath its glittering scales.
Quick 5e Answer
Crystal Dragon (Adult) is a CR 12 dragon for D&D 5e. This page includes AC 19, HP 230 (20d12 + 100), a ready stat block, a downloadable PDF, and connected encounter tools.
Original 5e-Compatible Stat Block
Huge, Dragon (Gem), Neutral Good
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
The first time each round the dragon takes Radiant damage, reduce that damage by 15.
The dragon has Advantage on saving throws against being Charmed.
The dragon makes three attacks: Bite and two Claws.
Melee Attack Roll: +11, reach 15 ft. Hit: 20 (2d12 + 7) Piercing damage plus 18 (4d8) Radiant damage.
Melee Attack Roll: +11, reach 10 ft. Hit: 14 (2d6 + 7) Slashing damage.
Constitution Saving Throw: creatures in a 60-foot Cone. Failure: 72 (16d8) Radiant damage and the target has Disadvantage on attack rolls until the end of its next turn. Success: Half damage.
When hit by an attack from a creature within 60 feet, the dragon deals 9 (2d8) Radiant damage to the attacker.
Base + optional customizer
Base + optional customizer
Base + optional customizer
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Crystal Dragon (Adult) 5e reference: CR 12 dragon, AC 19, HP 230 (20d12 + 100), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Arctic,β¦ 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 Crystal Dragon (Adult) into a focused hunt.
Crystal Dragon (Adult) can be used in Arctic, Mountain, Underdark when you want a CR 12 dragon that helps shape combat pressure, exploration tension, or narrative danger.
Crystal Dragon (Adult) 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 Crystal Dragon (Adult) 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.
Crystal Dragon (Adult) is listed in Monster Almanac as a CR 12 dragon.
Crystal Dragon (Adult) is listed as a dragon.
Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.
Yes. This page links to Crystal Dragon (Adult) token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Crystal Dragon (Adult), 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.