The reputation of her prowess in battle had reached almost mythical proportions there before she was slain by the “Great Beast of London”.
She worked as Door’s bodyguard after defeating Varney, and in the end she betrayed Lady Door for all along her intention had been to get on Door’s good side so that her employers would in payment give her the only spear that could kill the Beast of London. At this betrayal, Richard Mayhew told her she was an addict, to the hunt, and in the end this proved to be true.