The Blue Rose (青薔薇, Aoi Bara) pertains to either:
- The national treasure of Sauville, a large blue diamond in the shape of a rose; also depicted in Sauville's coat-of-arms; or
- Queen Coco Rose's pet name "The Blue Rose of Saubrème"
Fragments of Chaos
Whenever Victorique solves a case, she would often use the term "fragments of chaos" (混沌の欠片, Kaosu no kakera). This term is her own way to pertain to clues she and/or someone else (e.g. Kazuya Kujo) has collected.
"Gray Wolves" are inhabitants of the Kingdom of Saillune. They are so-called because of the wolves that inhabit the forested area around Saillune, and are often used as a derrogatory remark to those who live in Saillune.
French for beautiful monster. Victorique de Blois has been called as a "monstre charmant" in a number of times, and the biggest reference to her as the monstre charmant is in the "fairy tale" of the same title.
Phantasmagoria (French: Fantasmagorie) refers to two separate events:
- A magic show starring Brian Roscoe that was held in a theater in Saubrème; or
- A large festival usually held on full-moon nights in Beelzebub's Skull
Both events involve magic tricks, with the latter being a gathering of magicians from all across Europe.
Queen Berry (クイーンベリー, Kuīnberī) is a luxury cruise ship that becomes the setting for the "Running of the Hares" in 1914. It sank at its maiden voyage, and a replica has been made ten years later.
Running of the Hares
The "Running of the Hares" (野兎走り, No'usagi-Hashiri) is an event organized by several country leaders and the fortune-teller Roxane to determine the alliances in the incoming First World War.