Ancient Dragon's scales

With the blood of ancient dragons your body has improved immensely, enhancing your scales and claws and more. You gain the following benefits:

• Increase your Strength and Charisma score by 3, to a maximum of 20.
• Your scales harden beyond what is capable. While you aren’t wearing armor, you can calculate your AC as 13 + your Dexterity modifier. You can use a shield and still gain this benefit.
• You grow retractable claws from the tips of your fingers. Extending or retracting the claws requires no action. The claws are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 3d10 + your dexterity modifier, instead of the normal bludgeoning damage for an unarmed strike.
• You gain Proficiency and expertise in intimidation and Persuasion