This not only warns them of danger, but acts as a defensive shield.

Her magic changed swiftly from an offensive attack to a defensive shield.

He decided quickly and hit the button to turn off the defensive shield.

It only took a few seconds, once the defensive shield around a city had been broken, to get in and do this.

It included the words "We are here, a defensive shield".

The United States has proposed joint work on such a defensive shield, although it would take years to build.

His choice of a conventional attack prevented him from throwing up a defensive shield.

The defensive shield which they form upon detonation is now energy-based.

Rows of protective plates covering its back formed a defensive shield.

Prior backed away, holding the tamponer up as a defensive shield.