Durable
Defy Death. You have Advantage on Death Saving Throws.
Speedy Recovery. As a Bonus Action, you can expend one of your Hit Point Dies, roll the die, and regain a number of Hit Points equal to the roll.
A number of times equal to your Proficiency Bonus, you can expend one of your Hit Point Die, and regain a number of Hit Points equal to your Constitution (Endurance) d20 Test bonus (Proficiency or Expertise plus Ability Score bonus). You regain all of the uses of this feature when you complete a Long Rest.