Helm: Royal Knight Helm

Armour: Royal Knight Armor

Gauntlet: Royal Knight Gauntlets

Leggings: Royal Knight Greaves

Where To Find: 

(Click the link above to view the equipment and watch the getting video.)

Available for purchase from Finger Reader Enia at Roundtable Hold, this armor set becomes accessible after defeating Loretta, Knight of the Haligtree.