unique n large dragon 

Variant female kongamato (Bestiary 3 152)

Perception +23; darkvision

Languages Draconic

Skills Acrobatics +29, Athletics +33, Intimidation +27, Stealth +27, Survival +26

Str +9 Dex +5 Con +6 Int +1 Wis +4 Cha +5

AC  38; Fort +29, Ref +27, Will +26; +1 status to all saves vs. magic

HP 295; Immunities paralyzed, sleep

Attack of Opportunity [R] Tail only.

Speed 30 feet, fly 130 feet, swim 30 feet

Melee [>] beak +32 (magical, reach 15 feet), Damage 3d12+15 piercing plus Grab and piercing beak

Melee [>] claw +32 (agile, reach 10 feet), Damage 3d8+15 slashing

Melee [>] wing +32 (agile, reach 15 feet), Damage 3d10+13 bludgeoning

Melee [>] tail +30 (agile, reach 20 feet), Damage 3d8+13 bludgeoning

Boat Breaker As kongamato.

Flying Strafe [>>] As kongamato.

Sonic Screech [>>] (arcane, evocation, sonic) Traimoriath unleashes a powerful and deadly blast of sonic force from her maw that deals 12d6 sonic damage in a 100- foot line (DC 37 basic Reflex save). She can't use Sonic Screech again for 1d4 rounds.

Wailing Dive [>>] As kongamato, but DC 37.

Fists of the Ruby Phoenix #1: Despair on Danger Island, page 39.