Princess Knight Episode 12 English Dubbed Episode Title:The Magic Pen.Episode Description:Prince Frank gives Sapphire a special pen which can only write true statements. Using the pen reveals to Frank Sapphire's true gender, which Frank has long suspected. Duralumon has the pen stolen and the next day demands Sapphire sign an oath as prince, knowing the pen will reveal she is actually a princess. Frank and Choppy rescue Sapphire. Later Frank and Sapphire share an affectionate moment.