Gram means "Wrath" in Old Norse, in case you wanted to know ;)
It's the force that gets rid of nasty subconscious critters like Fafnir, whose name means "to embrace"
--Wannabe Norse scholar
Valkyrie Profile, the orig. Might go play that later. ^^
Also, inb4 some wannabe Norse Mythology scholar (using the voice of Database from the Simpsons) points out that it was the sword that Sigurd used to kill Fafnir.