|Dark Squire Ruby|
- "I'm sorry, master・・・for taking the forbidden book out without asking・・・ I・・・there was something wrong with me. I heard weird voices in my head and felt sick. My body doesn't listen to me any more...Ah・・・here is it again. That squelching sound. Stop breaking into my head!"
- — Dark Squire Ruby
A grimoire with evil intentions had consumed the young girl's mind. She concealed herself and was determined to revenge the humans. For that, she roams the world with her destructive powers.
- Defeat Dark Squire Ruby 35 times during the Ruby's Rampage Raid Event.
- Brig Maidens Box
- Jolly Roger Rescue
- Champagne Rescue during the Champagne Shower Event
- Defeat Dark Squire Ruby 20 or 40 times during the Gathering of Powerful Foes Event.
- Purchased in the Sapphire Trading Post (3rd ver.) for 90 Sapphires.
|Voice actor (J)||高木恵|
|Voice actor (E)||Takagi Megumi|