rare ne medium cold mindless undead zombie 

Perception +10; darkvision

Skills Athletics +15

Str +5 Dex +2 Con +4 Int -5 Wis +0 Cha +0

AC  23; Fort +16, Ref +12, Will +8

HP 120, negative healing; Immunities cold, death effects, disease, mental, paralyzed, poison, unconscious; Weaknesses fire 5

Opportune Bite [R] Trigger A creature critically fails a Strike within 10 feet of the blackfrost zombie; Effect The blackfrost zombie Steps toward the triggering creature, then makes a jaws Strike against that creature.

Speed 20 feet, ice climb 20 feet

Melee [>] fist +15, Damage 2d6+5 bludgeoning plus 1d6 cold

Melee [>] jaws +15, Damage 2d4+5 piercing plus 1d6 cold and blackfrost

Blackfrost Breath [>>] As above.

Gatewalkers #3: Dreamers of the Nameless Spires, page 80.