|Japanese Name||Shera (シェラ)|
|Voice Actor||Wu Lin Takumi|
|Equipment||Earring of the Sea|
- "A female magician who always follows King Cai around. She doesn't like to lose and therefore, is always competing against Merriot for Cai's attention. She's very clever and always wins the dispute. But in reality, she is a kind person."
When a country captures Caerleon's last castle, Cierra will join another country at random.
Cierra has long, light blue hair and lighter blue eyes.