Deathmark Court of the Crimson King

You have manifested a Deathmark. Determine its appearance. You gain the following benefits:

• Increase your Constitution score by 1, to a maximum of 20.
• You learn Vampiric Touch
• You can cast Vampiric Touch using your deathmark the healing is copied to all allies within 60ft
• Each cast after the first cast causes you to take 2 hit dice worth of damage that can only be healed through a long rest.