[X] Harmony can hopefully be trusted not to kill anyone, and Buffy shouldn't go to fight a probable dragon in hostile territory without support. Buffy and Harmony infiltrate the police station together.
-[X] If it is a dragon, fire might be a real problem; Buffy and her team quickly look if there's any asbestos or other fire retardant clothing lying around. It's not like Harmony can get cancer.
--[X] And even if there's no fire retardant clothing, a full body swimming suit is still needed, in case someone in police is actually smart and has holy water on hand.