Noble, faithful and restless Sisters of Battle from Adepta Sororitas are one of the most devoted warriors of the Imperium. Trained not only in Art of War, but they are also medics and… musicans.
Octavia was living in rich family. She had Honour to see the Goddess-Princess Herself few times!!!
So when Dark Times has come, she decided, that she have to serve Equestria. With hard training and contacts she became a Sister of Battle of Adepta Sororitas.
Trumble before her violin, beware her songs. The Final Purify is comming.”
-Tarreth