How does Arthur Phillips use imagery in The Egyptologist?

Imagery:

We shall extract a triumphant moment and place it at the front, a shocking jewel in the crown, a zesty appetizer to tickle the reader's tongue for the vast feast to come and to prepare his digestion, lining his stomach for riches for which his dull daily fare has not prepared him.

The king offered peace even now, but the villain swung at his king, and so Atum-hadu brought down his war hammer again and the Master of Largesse dropped the torch and Atum-hadu collected it and rained down blows upon the villain, alternating his hammer and the torch, and the heat of the torch blistered the villain's skin and then the hammer came down and the hot blood bubbled in the heat, and the blows fell again and again on the softening head of the traitor, blow after blow upon the deflated head and the spread limbs and the sopping clothes.