The most complete and utter weapon of destruction in literary history. A beam of pure energy that is channeled by a person weilding the "One Power". It slightly affects time by erasing the target's actions up to a certain point depending on the amount of power behind it.
Balefire is the most dreaded "weave" in "The Wheel of Time" series.
"Dude, Rand just blasted all of the other wizard-magic user type characters in all of fiction into none-existence with a flow of Balefire as big around as a house!"
"Yeah, I guess Luke and Gandalf didn't know when to shut the fuck up!"
"Who?....I seem to remember those names briefly?"
"Yeah something about somebody with a pointy hat, and another with some green thing, oh well, must not be important."