race features:
Darkvision. You can see in dim light within 60 feet of you as if it were bright light and in darkness as if it were dim light. You discern colors in that darkness only as shades of gray.
Rampage. When you knock a creature down to 0 hit points, you can move to a space next to another creature within 20 ft. of you as a bonus action, and you do not provoke opportunity attacks until the end of your turn.
Gnawing Fangs. You have sharp fangs that you can use to make unarmed strikes. When you hit with them, the strike deals 1d6 + your Strength modifier piercing damage, instead of the normal bludgeoning damage for an unarmed strike.
Creation of the Highlands. You are resistant to cold damage. Additionally, you have proficiency in the stealth and perception skills, advantage on checks regarding seeing through a fog or other form of gaseous concealment.
Expert Climber. You have a climbing speed of 25 ft.