Demonic Scar

You have been etched with a Demonic Scar. Determine its appearance and the flaw associated with it. You gain the following benefits:

• Increase your Charisma score by 2, to a maximum of 20.
• You have +4 Intimidation
• You learn a cantrip from the warlock spell list. In addition, you learn Shocking Grasp, which you can cast as a reaction. You learn that spell and can cast it at its lowest level. . Charisma is your spellcasting ability for these spells.
• You gain disadvantage against saving throws imposed on you by fiend-type creatures. You also roll with disadvantage to avoid being persuaded by them.
• You become vulnerable to radiant damage