blocks debris

The Jotun snorted contemptuously. Then he swung his axe broadside at a building, which put up about as much resistance as dandelions do to machetes, and sent a cloud of broken glass and concrete and steel at me.
I lifted my arm to cover my face and brought up my shield. Broken glass rattled against the spell-armored sleeve of my duster. One piece got by and my ear suddenly went hot and tingly. The rest slammed into my shield and drove me back until I hit the hood of a parked car, taking my legs out from under me and sending me crashing to my back on the sidewalk.
My heart slammed with terror.
This wasn’t a fight; it was an earthquake—and I was running around in the middle of it like a damned fool.

Battle Ground Chapter 21, Page 199-200