Harrow is aware of Moiraine. She has known she will have to face her; not just her own panicked escape from the bar, but her subsequent failures of strategy and their dreadful consequence, are all bound up in the small blue-clad figure.

(Harrowhark Nonagesimus knows all about having teachers you are terrified to let down; she is, in fact, a world expert on it. The first time she let someone down they hung themselves.)

She pushes the black iron key marked 99 around with a gloved forefinger and tries not to be a coward.