Orc

Adrenaline Rush. You can take the Dash action as a Bonus Action. When you do so, you gain a number of Temporary Hit Points equal to your Proficiency Bonus. You can use this trait a number of times equal to your Proficiency Bonus, and you regain all expended uses when you finish a Short Rest or Long Rest.

Darkvision. You have Darkvision with a range of 120 feet.

Relentless Endurance. When you are reduced to 0 Hit Points but not killed outright, you can drop to 1 Hit Point instead. Once you use this trait, you can't do so again until you finish a Long Rest.