Adamantine Dragon (Adult, Spellcaster)

Creature 13
  • Huge
  • dragon
  • primal
Perception
+23; darkvision, scent (imprecise) 60 feet, tremorsense (imprecise) 90 feet
Languages
Common, Draconic, Petran, Fey, Sakvroth
Skills
Acrobatics +22, Athletics +27, Intimidation +24, Mining Lore +24, Nature +23, Survival +25
Str +8, Dex +3, Con +6, Int +3, Wis +4, Cha +5

Tremorsense (Imprecise) 90 feet

AC
33; Fort +25, Ref +20, Will +23; +2 status to all saves vs primal
HP
220; Immunities paralyzed, petrified, sleep

Abandon Armor Once the adamantine dragon is reduced to fewer than half their Hit Points, their resistance is reduced by 10 and they gain a +10 circumstance bonus to their Speeds.

Frightful Presence (aura, emotion, fear, mental) 90 feet. DC 30 Will

Resilient Form ⟲ Trigger The dragon is critically hit with a weapon or unarmed attack;

Effect The dragon's tough scales ward off deadly attacks. The dragon attempts a DC 17 Flat. On a success, the triggering attack becomes a normal hit.

Speed
30 feet, burrow 40 feet, fly 150 feet

Melee ◆ jaws +27 (magical, reach 15 feet, unarmed), Damage 3d12+14 piercing plus Grab

Melee ◆ claw +27 (agile, magical, reach 10 feet, unarmed), Damage 3d8+14 slashing plus Knockdown

Melee ◆ tail +25 (magical, reach 20 feet), Damage 3d10+14 bludgeoning

Ranged ◆ rock +25 (brutal), Damage 3d8+14 bludgeoning

Primal Prepared Spells DC 34, attack +27; 6th petrify, tangling creepers; 5th impaling spike, magic passage, speak with stones; 4th shape stone, unfettered movement, vapor form; 3rd earthbind, one with stone, slow; 2nd darkness, shatter, water walk; 1st air bubble, tailwind, vanishing tracks; Cantrips (1st) caustic blast, detect magic, know the way, sigil, tangle vine

Adamantine Body The dragon's unarmed melee Strikes are adamantine.

Avalanche Breath ◆◆ (primal) The dragon belches a mass of boulders that deals 11d8 bludgeoning damage in a 40-foot cone (DC 33 basic Reflex save).

They can't use Avalanche Breath again for 1d4 rounds.

Burrowing Pounce ◆◆◆ Requirements The dragon is burrowed

Effect The dragon Burrows, then Leaps out of the ground, landing at a point within 25 feet. The dragon makes a melee Strike against a creature within reach when they land. If the Strike is a critical hit, the target is knocked Prone.

Rock Tunneler The dragon can burrow through solid stone at a Speed of 20 feet. They can leave a tunnel if they desire, and they usually don't.

Swallow Whole ◆ (attack) Large, 3d12+7 bludgeoning, Rupture 29

Throw Rock ◆

Grab ◆

Knockdown ◆

Source: Pathfinder Monster Core

Running this fight? Add the adamantine dragon (adult, spellcaster) to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.

ORC Notice. From Pathfinder Monster Core (© 2024 Paizo Inc.) and Monster Core 2 (© 2025 Paizo Inc.). This product is licensed under the ORC License held in the Library of Congress at TX 9-307-067 and available online at various locations including www.paizo.com/orclicense, www.azoralaw.com/orclicense and others. All warranties are disclaimed as set forth therein. "Pathfinder" is a trademark of Paizo Inc.; this site is not published, endorsed or approved by Paizo Inc.

Full attribution and authors