This serpentine dragon has skin the color of deep volcanic rock, enormous claws, and jagged, stonelike horns and scales.
Mature adult Underworld Dragon CR 12
Speed 40 ft., burrow 40 ft., fly 200 ft. (poor)
Melee bite +25 (2d6+13/19-20), 2 claws +25 (1d8+9/19-20), gore +24 (1d8+13), tail slap +19 (1d8+13)
Space 10 ft.; Reach 5 ft. (10 ft. with bite and gore)
Special Attacks adamantine claws, breath weapon (80-ft. line, 14d6 fire damage, DC 23)
Spell-Like Abilities (CL 16th; concentration +19)
Spells Known (CL 7th; concentration +10)
3rd (5/day)—displacement, fireball (DC 16)
2nd (7/day)—acid arrow, flaming sphere (DC 15), scorching ray
1st (7/day)—burning hands (DC 14), cause fear (DC 14), magic missile, ray of enfeeblement (DC 14), true strike
0 (at will)—acid splash, bleed (DC 13), detect magic, flare (DC 13), mage hand, read magic, resistance
Str 29, Dex 10, Con 21, Int 16, Wis 17, Cha 16
Base Atk +16; CMB +26; CMD 36 (40 vs. trip)
Feats Improved Critical (bite, claw), Improved Initiative, Improved Natural Armor, Lunge, Skill Focus (Stealth), Weapon Focus (bite, claw)
Skills Appraise +22, Bluff +22, Climb +28, Fly +13, Intimidate +22, Knowledge (dungeoneering, geography) +22, Perception +22, Stealth +21
Languages Common, Draconic, Ignan, Terran
SQ change shape, underworld burrower
The claws of an underworld dragon are made of adamantine, and have the qualities of a weapon made from that material.
A very young and older underworld dragon can see perfectly in smoky conditions (such as those created by pyrotechnics).
An adult underworld dragon gains a 10-foot bonus to its burrow speed. When the underworld dragon becomes old and every two age categories thereafter, its burrow speed increases by an additional 10 feet.
Environment any underground