Spirit Arctic Direwolf

Traits

Life Bond. When you regain Hit Points from a level 1+ spell, the wolf regains the same number of Hit Points if you're within 5 feet of it.

Keen Hearing and Smell. The wolf has Advantage on Wisdom (Perception) checks that rely on hearing or smell.

Snow Camouflage. The wolf has Advantage on Dexterity (Stealth) checks made to hide in snowy terrain.

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

Frost Bite. Melee Attack Roll: Bonus equals its Strength modifier plus your Proficiency Bonus, reach 5 ft. Hit: 1d6 + its Strength modifier Piercing damage plus 1d6 Cold damage. If the target is a Large or smaller creature, it is subjected to the following effect. Strength Saving Throw: DC 10 + the spell's level. Failure: The target has the Prone condition.

Heavy Claw. Melee Attack Roll: Bonus equals its Strength modifier plus your Proficiency Bonus, reach 5 ft. Hit: 1d10 + its Strength modifier Slashing damage. If the target has the Prone condition, it takes an extra 1d10 Bludgeoning damage.

Cold Breath (1/Day). Dexterity Saving Throw: DC 10 + the spell's level, each creature in a 15-foot Cone. Failure: A number of d8s equal to the spell's level Cold damage. Success: Half damage.