Deathmark Rage Against

You have manifested an dragonmark. Determine its appearance. You gain the following benefits:

• Increase your Constitution score by 1, to a maximum of 20.
• When you enter a rage you can choose spend one of your rage points to harden you skin gaining a bonus 3 Armor Class while you rage.
• If you don't have any rage left you can choose to take 3 hit dice worth of damage that cannot be heal by any means other than a long rest to gain the benefit.
• You can also choose to take the 3 hit dice worth of damage to enter a rage if no rage charges are left.