It was actually funny for Kerrigan to see Raynor so upset at her. She didn't let his words scare her. Nothing really could. She was dead. Nothing could touch her. She laughed until the pressure on her arms was enough to make her scream... that's when the smile faded.
"Aw, Raynor. Did I hurt your feelings?" She tsked with her mouth for a moment and then shrugged as best she could. "What are you doing to do about that?"