duster vs huntsman

Two more Huntsmen emerged from the smoke, enormous and terrifying. One hefted its black spear and hurled it at me. The other simply lunged, hands outstretched, filthy nails like talons spreading wide.
The spear hit me in the left shoulder. When its tip met the ensorcelled leather of my duster, there was a sudden shower of sparks as the energies in the weapon and the garment met and clashed. The impact was vicious, like getting slugged with a weighted bat, and it spun me to one side in an explosion of neutral white-noise sensation that the Winter mantle substituted for pain.

Battle Ground Chapter 9, Page 89