Midnight. New York City. Who wins?
The swords arn't actually metels. Hell, even Magneto wouldn't be able to control them because those swords are made of spiritual matter. Zaraki was able to slice a building with just a casual swing. And also, we really don't know there full strength (lifting wise) of these guys because it was never specified. So it could really be anything from 10 tones to 100.