Zero-Kelvin Laser Diode

The Zero Kelvin Laser Diode changed the tracking laser for the nano/toxic swarmers from red to blue, not just as decoration of course the new blue laser froze enemies at a tempereture of Zero Kelvin.This upgrade would only work on small-medium sized enemies and wouldn't work on big-huge enemies (e.g bosses or Grunthors

Appearances

 * Tools of Destruction
 * Quest for Booty