Winter Wolf
Large monstrosity, neutral evil
Armor Class 13 (natural armor)
Hit Points 75 (10d10 + 20)
Speed 50 ft., swim 25 ft., climb 25 ft.
str
18 (+4)
dex
13 (+1)
con
14 (+2)
int
7 (-2)
wis
12 (+1)
cha
8 (-1)
Skills Perception +5, Stealth +5
Damage Immunities cold
Senses passive Perception 15
Languages Common, Giant
Challenge 3 (700 XP)
Pack Tactics. The wolf has Advantage on an attack roll against a creature if at least one of the wolf's allies is within 5 feet of the creature and the ally doesn't have the Incapacitated condition.
Actions
Bite. Melee Attack Roll: +6, reach 5 ft. 11 (2d6 + 4) Piercing damage. If the target is a Large or smaller creature, it has the Prone condition.
Cold Breath. Constitution Saving Throw: DC 12, each creature in a 15-foot Cone. Failure: 18 (4d8) Cold damage. Success: Half damage.