No known weapon could harm it.

All known weapons on the island have been destroyed by incineration.

The body is capable of withstanding heavy fire from any known hand-held weapon or ground assault vehicle.

Shiva gave Vrut his blessing, and the boon that he could not be killed by any known weapons of that time.

She does not possess a known weapon.

"We picked up some residual energy traces, but nothing that matches any known weapons."

American researchers noted, though, that similar pathogens created in the past have remained laboratory curiosities that produced no known weapons or harm.

There's no known weapon that devastating, or one that could have left such traces.

A military impeller wedge's "floor" and "roof" are impenetrable by any known weapon.

However, it is the only known weapon in Nightside capable of destroying divine or infernal beings.