When Twinsen is looking for the Teleportation Center's plans in FunFrock's headquarters, he finds a clone of FunFrock that flees in a telepod, leaving Twinsen with a red rabibunny clone. After killing the clone, Twinsen can open the safe, with a key that he gets from a grobo that he frees from a cell, but instead of the plans, he finds a note of the arquitect and the magic sabre.
"Magic Saber, once the Saber is in hand <ENTER key>, <ALT> key to strike. It is the most powerful weapon on this planet. You can use the Magic Ball again by reselecting it."