As a curse, you gain resistance to attacks not made with cursed energy.

As a being of negative energy, you are weak to positive energy, and reversals.

Naturally as a curse, you have the ability to sense cursed energy from longer distances and more easily. +60ft more than normal.

As a curse you are naturally invisible to all non-sorcerers.

Because of your nature of being made of cursed energy, you can recover CE without the use of RCT. As an action you can recover HP equal to your proficiency bonus. This can recover the loss of small limbs.

As an action in combat or a couple seconds out of combat you can temporarily reveal yourself to non-sorcerers. You can do this as long as you are concentrating on it.

Disadvantage on Charisma (Persuasion) checks with humanoids that you aren't allied or friendly with.

Curses are born of strong, typically unhappy emotions. Choose an emotion to be born of: Hatred, Fear, Despair, Regret, Envy, Anger, Obsession, or Guilt. 

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