Underworld Dragon (Young, Spellcaster)Creature 7

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Source Pathfinder Lost Omens Draconic Codex
Perception +13 (darkvision, scent (imprecise) 60 feet, smoke vision)
Languages Common, Draconic, Pyric, Sakvroth
Skills Acrobatics +11, Arcana +13, Athletics +17, Crafting +17, Deception +10, Intimidation +12, Nature +13, Stealth +13, Survival +11
Str +6, Dex +2, Con +3, Int +4, Wis +2, Cha +1

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AC 25; Fort +18; Reflex +13; Will +15;
HP 115
Speed 40 feet (burrow 30 feet, fly 80 feet)
Immunities fire, paralyzed, sleep
Weaknesses Earth 5

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Jaws +18 (+13, +8) to hit (fire, magical, reach 10) 2d8+8 Piercing + 1d6 Fire
Claw +18 (+14, +10) to hit (agile, magical) 2d6+8 Slashing
Tail +16 (+11, +6) to hit (magical, reach 20) 2d10+8 Bludgeoning

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Smoke Vision

Smoke doesn't impair an underworld dragon's vision; they ignore the Concealed condition from smoke.

Countered by Water

If the underworld dragon takes damage from a spell with the cold or water trait, the elemental magic of fire within them is momentarily dampened. Until the end of their next turn, they take a –1 circumstance penalty to attack rolls, and their jaws Strikes don't deal fire damage. This limitation ends if the dragon uses Exploding Red Breath.

Effect: Countered by Water

Fed by Wood

When an underworld dragon is struck by a weapon made primarily of wood or affected by a spell with the plant or wood trait, the dragon's internal fiery essences are stoked with the added fuel. Their Exploding Red Breath recharges, and the fire damage from the dragon's jaws deals an additional die of damage until the end of the dragon's next turn.

Effect: Fed by Wood

Frightful Presence (aura, emotion, fear, mental)

90 feet. DC 23 will

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A creature that first enters the area must attempt a Will save.

Regardless of the result of the saving throw, the creature is temporarily immune to this monster's Frightful Presence for 1 minute.

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Critical Success The creature is unaffected by the presence.

Success The creature is Frightened 1.

Failure The creature is Frightened 2.

Critical Failure The creature is Frightened 4.

Adamantine Claws (arcane, concentrate)

Frequency one per hour

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Effect The dragon infuses their body with adamantine. For the next minute, their melee Strikes are treated as adamantine and ignore half the Hardness of any object hit.

Constrict

(2d8+4) bludgeoning, DC 25 fortitude

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The monster deals the listed amount of damage to any number of creatures Grabbed or Restrained by it. Each of those creatures can attempt a basic Fortitude save with the listed DC.

Exploding Red Breath (arcane, fire)

The dragon breathes a blast of fire that explodes in a 20-foot burst within 40 feet, dealing 7d6 fire damage (DC 25 reflex save). Creatures that fail the save also take 1d6 persistent,fire damage. The dragon can't use Exploding Red Breath again for 1d4 rounds.

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Arcane Prepared Spells (DC 25, +17 to hit)

Cantrips (4th Level): Caustic Blast, Ignition, Read Aura, Shield, Telekinetic Hand
1st Level: Carryall, Enfeeble, Force Barrage
2nd Level: Knock, Resist Energy, Revealing Light
3rd Level: Earthbind, Fireball

Arcane Innate Spells (DC 25, +0 to hit)

Cantrips (4th Level): Detect Magic
2nd Level: Everlight

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If there are any imperial dragons who benefited from moving out of their native elemental plane, it's underworld dragons. Once related solely to the element of fire, early underworld dragons harnessed elemental forces through arcane means for reasons no longer remembered. With each subsequent generation, both their arcane power and mastery over the elements grew. Their efforts were later bolstered by their studies in alchemy, which allowed dragons to cultivate themselves even further with various mutagens and elixirs.

Today, though their nature is primarily still connected with the element of fire, an underworld dragon can consume wood with ease, threaten entire regions with quakes, lay claim to the minerals and gems in the rocks and stone, and die to form volcanoes that create more land masses. Some even flippantly snort at the lapping waves of the sea, not fearing any retaliation from the sea dragon nations nor their kings. Though their powers might be relatively weaker than another imperial dragon of the same age, their mastery of many elements and the arcane arts makes underworld dragons formidable opponents.

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Traits