Mallory smiled at the effectiveness of her magic, how she (at least for the moment) handily dispatched more bandits than any of her allies. As the horses ran scared and she lost her cover, the thunderstone went off; the burst of sound doubly effective to her sensitive ears.
She yelped and screamed, deaf to her own pain. In her anger, she whirled on the one who threw the stone and fired wildly; her shot went wide. She backpedaled towards her own allies, yelling and cursing the entire way.