How does Terry Goodkind use imagery in Blood of the Fold?

Examples of Imagery:

"In a haze of simmering rage that rose at the thought of the people murdered by the mriswith, he whispered to himself, 'I vow to give this dream walker nightmares."

"Tobias Brogan loved his sister-loved her enough to slit her throat himself, if need be, to free her from the Keeper's tendrils, from the torment of his taint, if it ever slipped the bounds of control."