He was over confident in his own abilites, which lead to his death.
Nakata is introduced stood on Rolling Arms, making his way to the Saiga Residents main door, telling Eiryo Ashihana to leave it him, as Rolling Arms will bring the door down. Upon arriving at the main door Nakata uses Rolling Arm to directly attack it. Rolling Arm is then pulled into the door's trap, being crushed by two large roaters. Still being connected to Rolling Arm, Nakata begins to panic, and claims he can't get his gloves and shouts for help, until being killed by the machine.