You are tenacious and strong-willed even when the odds are against you, granting you the following benefits:

• Increase your Constitution, Strength or Dexterity by 1, to a maximum of 20.
• Once per short rest, if you reach 0 hitpoints you can use your reaction to move up to 15 feet and make an attack with advantage. This attack can be melee, ranged or magic.
• If you land this attack it will grant you one successful death save. If you score a critical hit with this attack it will count as two successful death saves.