generic no name tag ninja that came from who knows were
likely fodder orochimaru goons that were taken prisoner at from their small villages
seeing the lack of ninjitsu after effects on that battlefield means that they only used their swords like average sword men
Orochimaru told them that they could have their freedom if they defeated Sasuke
Sasuke not actually killing them likely means that Orochimaru uses them as lab rats
likely fodder orochimaru goons that were taken prisoner at from their small villages
seeing the lack of ninjitsu after effects on that battlefield means that they only used their swords like average sword men
Orochimaru told them that they could have their freedom if they defeated Sasuke
Sasuke not actually killing them likely means that Orochimaru uses them as lab rats