The hack makes everyone "more aggressive" by increasing their "aggression value".
This results in a highter rate of "checkings", and a highter rate of fights.
The name of this hack is a reference to the movie by the same name.
File Name: Blades of Steel (U) [!].nes
File CRC32: B9BCF910
File MD5: 46EE7DB0D4C3D4B77512EE1DB6F10AE1