Undying

You can power through even the toughest of situations with Adrenaline pumping through your veins, keeping you up and letting you push past your limits.

• Increase your Constitution score by 1, to a maximum of 20.
• Once per long rest, as a reaction when you take damage from any source and have a full pool of Adrenaline Points, you can reduce that damage to 0 at the cost of all of your Adrenaline Points. In addition, once you use this reaction, you can no longer regain Adrenaline Points by any means until you have finished a long rest.