Micaiah (Fire Emblem)'s Radiant Queen outfit, which debuted in Fire Emblem Cipher and was latter used in Fire Emblem Heroes as a Legendary unit.
In design, this outfit is the most comparable with the Light Priestess, like it, the Radiant Queen's design has Bare Legs, her Fingerless Gloves resemble Bridal Gauntlets and has a Circlet, but her dress is now black, and her red cape was replaced with a Red Coat.
Her design is alternatively known as Queen of Silver Shine being the name of the original Cipher Card as well as the Japanese Name of the Fire Emblem Heroes unit.