His attention is forward and focused on the beast as she speaks, but upon declaration of her 'sacrifice' he looks back just in time to see the knife plunge into her. Being witness to so much death over the years does not make him completely numb to it. His eyes widen in surprise. Then the cracks begin to bloom around them.

Emet-Selch makes a noise in the back of his throat. "...A Martyr in every sense." It sounds more like a grumble of disapproval than anything.

"We cannot stay here. Take her and leave this place." Ciel could heal and she is much better equipped at moving people quickly. He concentrates and casts a quick shield for both of them to protect both of them on their way. For what good it would do.