|Blueblood Count Rosier|
|Japanese Name||蒼血伯爵 ロジエ|
|Romanization||Aoichi Hakushaku Rojie|
|Location||Ruswal Opera House|
|Appears In||• Nights of Azure|
Blueblood Count Rosier (蒼血伯爵 ロジエ) is a large fiend and third boss in Nights of Azure.
- Forte: Flick your conductor's baton twice in a row.
- Flageo: Sing in a high pitch and attack a wide area with soundwaves.
- March: Summon instruments and throw them to attack.
- Waltz: Summon instruments that orbit on their own.
- Passion: Summon a giant drum above the target's head.
- Rhapshody: Summon numerous instruments and drop them randomly.