Quicksilver Dragon, Mature Adult

Mature Adult Quicksilver Dragon CR 15

XP 51,200
LG Large dragon (cold)
Init +14; Senses dragon senses, fog vision; Perception +27; Aura frightful presence (210 ft., DC 24)

AC 35, touch 20, flat-footed 24 (+10 Dex, +1 dodge, +15 natural, -1 size)
hp 218 (19d12+95)
Fort +16, Ref +24, Will +18
DR 10/magic; Immune acid, cold, paralysis, sleep; SR 26
Weaknesses vulnerability to fire

Speed 70 ft., fly 230 ft. (average); cloudwalking, graceful flight
Melee 2 bites +29 (2d6+13/19–20), 2 claws +28 (1d8+9), tail slap +26 (1d8+13), 2 wings +26 (1d6+4)
Space 10 ft.; Reach 5 ft. (10 ft. with bite)
Special Attacks breath weapon (40-ft. cone, DC 24, 14d8 cold), paralyzing breath
Spell-Like Abilities (CL 19th; concentration +24)

Spells Known (CL 9th; concentration +14)

Str 29, Dex 30, Con 21, Int 20, Wis 21, Cha 20
Base Atk +19; CMB +29; CMD 50 (54 vs. trip)
Feats Flyby Attack, Hover, Improved Critical (bite), Improved Initiative, Iron Will, Lighting Reflexes, Multiattack, Power Attack, Vital Strike, Weapon Focus (bite)
Skills Acrobatics +29 (+45 jump), Diplomacy +27, Fly +30, Heal +27, Intimidate +27, Knowledge (arcana, local, nobility) +27, Perception +27, Sense Motive +27, Spellcraft +27
Languages Auran, Common, Draconic, Dwarven, Giant, Terran
SQ change shape (3/day, any animal or humanoid, polymorph), lean and quick, light and nimble

Cloudwalking (Su) A very young or older quicksilver dragon can tread on clouds or fog as though on solid ground.

Fog Vision (Ex) A juvenile or older quicksilver dragon can see perfectly well in fog and clouds.

Graceful Flight (Ex) A young or older quicksilver dragon’s aerial maneuverability is one step better than normal.

Lean and Quick (Ex) A young adult or older quicksilver dragon is one size category smaller than normal for a dragon of its age category and permanently gains the benefits of a haste spell. These benefits are included in the statistics above.

Light and Nimble A quicksilver dragon’s natural armor bonus increases by one-half the normal amount for age categories other than wyrmling. However, the dragon’s Dexterity score increases at the same rate as its Strength score instead of decreasing with age.

Paralyzing Breath (Su) Instead of a cone of cold, a quicksilver dragon can breathe a cone of paralyzing gas. Creatures within the cone must succeed on a Fortitude save or be paralyzed for 1d6 rounds plus 1 round per age category of the dragon.

Small and Swift A very young or older quicksilver gains only half of the normal natural armor increase above the natural armor bonus it had as a wyrmling, but its Dexterity score increases at the same rate as its Strength score instead of decreasing with age. A young adult or older quicksilver dragon is one size category smaller than normal for a dragon of its age.