Dragonblood Scales

You manifest scales and claws reminiscent of your draconic ancestors. Your body grows scales (if you didn't already have them) of them same color as your dragon ancestor. While not wearing armor, your AC is calculated as follows:

• 10 +Dexterity modifier +Half your proficiency Bonus (rounded UP) (No prerequisite)
• 11 +Dexterity modifier (Maximum of 2) +Your proficiency bonus (Requires proficiency in medium armor)
• 13 +Your proficiency bonus bonus (Requires proficiency in heavy armor)