An agent in the employ of the Astral Conservatory and Jiro’s custodian. Tarragon and Ronan have worked together in the past, with Ronan still being frosty toward her for her perceived role in Wayland’s death. She’s shrewd and aloof, with a stickler for protocol, but she breaks character from time to time. Not much is known about Tarragon’s or her history—even her real name is a very tightly guarded secret amongst the Astral Conservatory elite. She and Jiro appear to be very close.