lg large cold dragon 

Perception +20; darkvision, fog vision, scent (imprecise) 60 feet

Languages Auran, Common, Draconic

Skills Acrobatics +14, Athletics +22, Diplomacy +18, Intimidation +20, Medicine +20, Religion +18, Society +14

Str +6 Dex +2 Con +3 Int +2 Wis +4 Cha +4

Fog Vision The silver dragon ignores the concealed condition from fog and clouds.

AC  31; Fort +20, Ref +17, Will +21

HP 200; Immunities cold, paralyzed, sleep; Weaknesses fire 10

Frightful Presence (aura, emotion, fear, mental) 90 feet, DC 28

Wing Deflection [R] Trigger The silver dragon is targeted with an attack. Effect The dragon raises its wing, gaining a +2 circumstance bonus to AC against the triggering attack. If the dragon is flying, it descends 10 feet after the attack is complete.

Speed 40 feet, fly 100 feet; cloud walk

Melee [>] jaws +23 (cold, reach 10 feet), Damage 2d10+12 piercing plus 2d6 cold

Melee [>] claw +23 (agile), Damage 2d8+12 slashing

Melee [>] tail +21 (reach 15 feet), Damage 1d10+10 bludgeoning

Arcane Innate Spells DC 28; 1st detect alignment (evil only)

Breath Weapon [>>] The silver dragon breathes in one of two ways. The dragon can't use Breath Weapon again for 1d4 rounds.

• Frost (arcane, cold, evocation); The dragon breathes a cloud of frost in a 30-foot cone that deals 10d6 cold damage (DC 29 basic Reflex save).
• Paralyzing Gas (arcane, enchantment, incapacitation); The dragon breathes a blast of paralyzing gas. Each creature within a 30-foot cone must succeed at a DC 29 Fortitude save or be slowed 1 for 1 round (or paralyzed for 1 round on a critical failure).

Cloud Walk The silver dragon can tread on clouds or fog as though on solid ground.

Draconic Frenzy [>>] The silver dragon makes two claw Strikes and one tail Strike in any order.

Draconic Momentum When the silver dragon scores a critical hit with a Strike, it recharges its Breath Weapon.

Bestiary, page 126.