murder drones
Y/n Zombie Drone

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In the case of any Worker Drone that has been rebooted, either by a human or on its own, runs the risk of becoming what is referred to by the company as a Zombie Drone as shown in a JCJenson VHS training tape discovered by N in Cabin Fever and shown in Home.
The video warns against the act of improperly disposing of a Worker Drone marked for disassembly due to the possibility that a drone may reboot without changes (70.3%), carry 'terminal lockout' (29%), or revive with 'potentially hazardous mutations' (0.7%), which can lead to human fatalities or injury. High federal fines may be incurred on the handler's behalf.
N, V and J were Worker Drones that rebooted normally (as they had armbands indicating that they were marked for disassembly and were found by Tessa in a landfill), whereas Cyn was a Worker Drone that rebooted by herself with dangerous mutations, seemingly revived by the Absolute Solver, resulting in her becoming a full-fledged Zombie Drone.
Untrained Neural Networks
An Untrained Neural Network is a premature Worker Drone that is put in infantile pods before being uploaded to a properly functional drone body. After the core collapse on Copper 9, this is noted to be the first stages of Worker manufacturing as, before, they were assumed to be made in factories by humans. For a new neural network to be born, a male and female Worker Drone must both upload 50% of their source codes into an empty shell for their codes to fuse, creating the new personality. However, if either of the parent's code is infected with mutations, those mutations will pass onto their child.
Absolute Solver symbol replacing one eye or covering entire visor:?Caused by the Absolute Solver awakening within the drone or being utilized. The Solver's glyph covering the entire drone's visor is caused when they fully initiate their Solver Form.
System messages briefly covering visor:?Caused by minor errors experienced by the drone. An example is Uzi's 'EDGE LEVELS CRITICALLY LOW' error.