... the doors to his father's council room were thrown open and Celaena prowled...

... the doors to his father's council room were thrown open and Celaena prowled in, her dark cape billowing behind her. All twenty men at the table fell silent, including his father, whose eyes went straight to the thing dangling from Celaena's hand. Chaol was already striding across the room from his post by the door. But he, too, stopped when he beheld the object she carried.
A head.
The man's face was still set in a scream, and there was something vaguely familiar about the grotesque feature and mousy brown hair that she gripped. It was hard to be certain as it swung from her gloved fingers.