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 feet of the creature and the ally isn't incapacitated.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.
(Flame only)
Fire Breath. Spell Attack: Recharge 5-6, reach 15 ft. cone, each creature must make a DC13 Dexterity saving throw. Hit: (2d8) fire damage.
(Bolt only)
Lightning Breath. Spell Attack: Recharge 5-6, reach 30 ft. line, each creature must make a DC13 Dexterity saving throw. Hit: (2d8) lightning damage.