Keen Hearing and Smell. You have advantage on Wisdom (Perception) checks that rely on hearing or smell.

Pack Tactics. You have advantage on attack rolls against a creature if at least one of your allies is within 5 feet of the creature and the ally isn't incapacitated.

Improved Critical. Your attack rolls score a critical hit on a roll of 19 or 20 on the d20.

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) piercing damage. If the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone.

Second Wind. You can use a bonus action on your turn to regain hit points equal to 1d10 + 3. Once you use this feature, you must finish a short or long rest before you can use it again.