n large animal 

Perception +13; low-light vision, scent (imprecise) 30 feet

Skills Acrobatics +11, Athletics +13, Survival +11

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

AC  22; Fort +15, Ref +11, Will +9

HP 80

Speed 25 feet, climb 25 feet, swim 25 feet

Melee [>] fangs +15 (reach 10 feet), Damage 2d8+8 piercing plus emperor cobra venom

Emperor Cobra Venom (poison) Saving Throw DC 22 Fortitude; Maximum Duration 6 rounds; Stage 1 1d6 poison damage and enfeebled 1 (1 round); Stage 2 1d8 poison damage and drained 1 (1 round); Stage 3 2d6 poison damage and drained 2 (1 round)

Flare Hood [>] (emotion, fear, mental, visual) The emperor cobra flares its hood. Each non–emperor cobra creature within a 20-foot emanation must attempt a DC 22 Will save. The creature is then temporarily immune for 1 minute. Critical Success The creature is unaffected.Success The creature is frightened 1.Failure The creature is frightened 2.Critical Failure The creature is frightened 3.

Bestiary 2, page 245.