Large beast, unaligned

Armor Class 14 (natural armor)
Hit Points 37 (5d10 + 10)
Speed 50 ft.

Skills Perception +3, Stealth +4
Languages —
Challenge 1 (200 XP)

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

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 ft. of the creature and the ally isn’t incapacitated.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.