Accursed Scale

A single draconic scale the size of a human palm. While you are not wearing armor, the scale grants you an armor class of 15 plus your Constitution modifier. You can use a Shield and still gain this benefit. Additionally, you can understand and speak Draconic.
Curse. Once you attune to this cursed scale, you can't unattune from it unless you are targeted by the remove curse spell or similar magic. While attuned to the scale, you are unable to make attacks or cast harmful spells against creatures with the Dragon type.

Notes: Set: Armor Class, Language: Draconic, Buff, Cursed