Regarding the Proper Use of Force - DB Extracurricular

Captain Gaetana Trolleti is Tinuviel, the Avalon Seat in charge of Oceania and Southeast Asia. She is a Visionary and strategist of some repute and even legend with the organization. But she was once a part of the Path of the Golden Dawn.

The bulk of this takes place roughly eight years before the events of the Divine Blood novel, Semester Starts, but the bookends are following those events.