uncommon lg large dragon electricity 

Perception +19; darkvision, scent (imprecise) 60 feet

Languages Auran, Common, Draconic

Skills Acrobatics +16, Athletics +19, Deception +16, Intimidation +18, Religion +19, Society +18, Stealth +18, Survival +17

Str +6 Dex +1 Con +3 Int +1 Wis +4 Cha +3

Mist Vision Fog and mist don't impair a sky dragon's vision; they ignore the concealed condition from fog and mist.

AC  28; Fort +18, Ref +16, Will +21

HP 155; Immunities electricity, paralyzed, sleep

Frightful Presence (aura, emotion, fear, mental) 90 feet, DC 26 (page 305)

Speed 30 feet, fly 120 feet

Melee [>] jaws +21 (reach 10 feet), Damage 2d8+12 piercing plus 1d12 electricity

Melee [>] claw +21 (agile), Damage 2d8+12 slashing plus Grab

Melee [>] tail +21 (reach 20 feet), Damage 2d8+12 bludgeoning plus Grab

Divine Innate Spells DC 28; 2nd invisibility; 1st feather fall, gust of wind

Divine Prepared Spells DC 28, attack +21; 4th discern lies, dispel magic, divine wrath; 3rd heroism, locate, wanderer's guide; 2nd augury, comprehend language, create food; 1st alarm, bless, detect alignment (at will, evil only), sanctuary; Cantrips (4th) detect magic, divine lance, read aura, shield, stabilize

Breath Weapon [>>] (divine, electricity, evocation) The dragon shoots a ball of electricity that deals 5d12 electricity damage in a 20-foot burst within 40 feet (DC 28 basic Reflex save). They can't use Breath Weapon again for 1d4 rounds.

Coiling Frenzy [>>] The dragon makes one claw Strike and one tail Strike in either order, each against the same target. If either Strike hits, the dragon automatically Grabs the target.

Constrict [>] 2d8+7 bludgeoning, DC 24

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

Perfected Flight A sky dragon can hover in place without spending an action, and they automatically succeed at all Acrobatics checks to Maneuver in Flight.

Bestiary 3, page 79.