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NerveGear

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NerveGear 2

Kazuto holding a NerveGear.

The NerveGear (ナーヴギア, Nāvugia?) is the first generation of FullDive technology made by Kayaba Akihiko, released in May 2022.

AppearanceEdit

The NerveGear is a helmet with a smooth, deep blue color. At the back, it has a wire of the same color stretched out of a long pad. It also has a battery and internal memory to store data from the games. 30% of the NerveGear's weight is from its internal battery.[1]

TransceiversEdit

The NerveGear's high density microwave transceivers can determine what the user's face looks like. The transceivers not only block every transmission from the brain to the body, but also from the body to the brain; while using it, the player is completely insensate to the physical world. Unknown to anyone except for Kayaba prior to the opening of Sword Art Online, the NerveGear's transceivers possess enough power to fry the player's brain with a burst of microwaves, using the power from its internal battery, and SAO's operating system has been programmed to do so if the player's hit points are reduced to zero. The NerveGear is equipped with a new generation diamond semiconductor central processor.[2]

ChronologyEdit

At the time of the Sword Art Online beta test, there were about two hundred thousand players in possession of a NerveGear. Half of them applied for the beta test.[3]

After the events of the Death Game incident, Argus no longer produces new NerveGear units, and most users instead use RECTO's replacement for the system - the AmuSphere, which has significantly less powerful transceivers; it is thus incapable of doing harm to a player, but cannot completely eliminate normal sensory input. 

Kirito is one of the few VRMMO players who used a NerveGear even after the SAO incident, though this is likely due to time and monetary constraints in getting an AmuSphere, as he wanted to check out the possibility of Asuna being trapped in ALfheim Online. Eventually, even Kirito switched to using an AmuSphere after the ALO incident.

After the SAO Incident, NerveGear had been seized and disposed as according to Japanese Code of Criminal Procedure, Article 121.[4]

Even though the NerveGear is considered obsolete, its base technology was used to develop other VR devices, such as the Medicuboid and the Soul Translator.

UsageEdit

ALO Cartidge

A NerveGear cartridge.

To use the NerveGear, the player wears the game console over the head. Then, it is recommended for the player to find a comfortable position to station the body, commonly being a bed. Afterwards, the game will load by the initiation words «Link Start». 

Known UsersEdit

NerveGear

Kirito wearing a NerveGear unit.

TriviaEdit

  • In the Accel World series, written by the same author as Sword Art Online, volume 4, chapter 8 of the novel mentions an unnamed VR machine that is similar in background to the NerveGear. Episode 22 of the anime adaptation of the series confirms that the unnamed machine is a NerveGear.
  • Kazuto is likely the only person who has a NerveGear after the SAO incident due to negotiations with Kikuoka Seijirou to let him keep it even though all copies of the NerveGear were meant to be disposed of.[5]

ReferencesEdit

Start a Discussion Discussions about NerveGear

  • NerveGear

    4 messages
    • 1. The revival item works only in the first 10 seconds after the HP of a player reaches 0. That's the time needed for a person to shatter...
    • 77.166.73.138 wrote:There was a... Not it take 10 seconds, but it wait for a few seconds before really do the brain-frying action
  • NerveGear users

    2 messages
    • Does the beta players of Sword Art Online also get included in here? I wanted to make sure before I ask since the game requires it.
    • Well, the NerveGear was the only way to test SAO... Though I do believe that we should simplify the user list to instead of listing every sin...

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