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Ancient Mithral Dragon

Gargantuan Dragon · Neutral · CR 18

  • Dragon
  • Gargantuan
  • Tier 4
  • Neutral

Ranges across mountain; Ancient Mithral Dragon lists at CR 18 as a gargantuan dragon (neutral). Sourced from Tome of Beasts 1.

Stat Block

Challenge Rating
18
Type
Dragon
Size
Gargantuan
Alignment
Neutral
Speed
40, fly 80
Habitats
Mountain
Sources
Tome of Beasts 1

Ecology

Ancient Mithral Dragon is one of the elder species, claiming a wide territory and shaping the ecology around it for centuries. It is most often found in mountain regions. It is gargantuan-sized, which shapes how it hunts, hides, or fights. As a legendary creature, it is rare in the world and likely the only specimen of its kind in the local region.

Behaviour

Ancient Mithral Dragon is intelligent, vain, long-memoried; it remembers slights for centuries and rewards loyalty in kind. Its Neutral alignment shapes how it engages with the world — predictable in tendency, even when unpredictable in detail. It is intelligent enough to plan, scheme, or remember. Spellcasting expands its repertoire well beyond what its physical stat block alone suggests.

Origin

Ancient Mithral Dragon is introduced in Kobold Press's Tome of Beasts 1 (2016). Dragons in D&D canon trace to Bahamut and Tiamat, with each lineage having its own founding myth. Within a campaign, its existence anchors a region with the kind of weight only an old, named species carries.

CR 18 monstersAll DragonsMountain

Related Monsters

Frequently Asked Questions about Ancient Mithral Dragon

What is the challenge rating of Ancient Mithral Dragon?
Ancient Mithral Dragon has a challenge rating of 18. It fits levels 17+.
What type of creature is Ancient Mithral Dragon?
By creature type, Ancient Mithral Dragon is a dragon, gargantuan size, neutral alignment.
Where does Ancient Mithral Dragon live?
You'll find Ancient Mithral Dragon in Mountain according to the bestiary entry.
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Scannable QR code encoding the URL https://www.doungim.com/dnd/monsters/ancient-mithral-dragon. Point a phone camera at this code to open the Ancient Mithral Dragon page on your mobile device — useful at the table when a DM's laptop or a printed sheet is showing the page.