Adamantine Dragon (Ancient)

Creature 18
  • uncommon
  • Gargantuan
  • dragon
  • primal
Perception
+30; darkvision, scent (imprecise) 60 feet, tremorsense (imprecise) 120 feet
Languages
Common, Draconic, Fey, Petran, Sakvroth, Aklo
Skills
Acrobatics +28, Athletics +36, Intimidation +32, Mining Lore +30, Nature +29, Survival +31
Str +9, Dex +4, Con +8, Int +4, Wis +5, Cha +6

Tremorsense (Imprecise) 120 feet

AC
41; Fort +32, Ref +26, Will +29; +2 status to all saves vs primal
HP
300; 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 37 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
40 feet, burrow 50 feet, fly 180 feet

Melee ◆ jaws +36 (magical, reach 20 feet, unarmed), Damage 3d12+18 piercing plus Improved Grab

Melee ◆ claw +36 (agile, magical, reach 15 feet, unarmed), Damage 3d8+18 slashing plus Knockdown

Melee ◆ tail +34 (magical, reach 25 feet), Damage 3d10+18 bludgeoning

Ranged ◆ rock +34 (brutal), Damage 3d8+18 bludgeoning

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

Avalanche Breath ◆◆ (primal) The dragon belches a mass of boulders that deals 15d8 bludgeoning damage in a 40-foot cone (DC 40 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.

Draconic Frenzy ◆◆ The dragon makes two claw Strikes and one tail Strike in any order.

Draconic Momentum The dragon recharges their Avalanche Breath whenever they score a critical hit with a Strike.

Fast Swallow ⟲ Trigger The dragon Grabs a creature

Effect The dragon uses Swallow Whole.

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+14 bludgeoning, Rupture 35

Throw Rock ◆

Improved Grab ◇

Knockdown ◆

Source: Pathfinder Monster Core

Running this fight? Add the adamantine dragon (ancient) 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.

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