At the door, Boris reeled as invisible blades lopped off his right arm, then the left.

Those watching in stunned shock saw its hands curl around the invisible blade of some unseen attacker.

The air force men began dropping, mowed down by the sweep of an invisible blade.

Gisa cut the air with an invisible blade.

Mort drew his sword, its blade almost invisible in the light from the candles.

They are big invisible blades that turn over their planes, sucking air down from above and blowing it out along the ground.

The only answer came from death, singing to his right and left in invisible blades.

It turned their magical shielding into a slender invisible blade that could be turned against them.

They came to a halt, staring as the wizard's invisible blade trimmed back the ice mist.

For all he knew some invisible blade might sweep out of empty air and strike his head from his shoulders.