[@Dragonruby][@MissingAxis]

[img]http://i.imgur.com/2HaFr6v.png[/img]
https://en.wikipedia.org/wiki/Cloaking_device#Plasma_stealth
It's also not possible to create and generate plasma of this scale without a fusion source.

The Vort Nexus doesn't control the robots, the robots are independent entities that can make choices with free will, the Nexus only creates and processed new robots to be created, information from it can only be accessed within the Prime system and the High Technician only takes guidance from it within the compound that the Nexus is held, each robot can also only transfer information to each-other within close proximity to each-other.