D-3

The D-3 is a model of Digivice that is used by some Chosen Children in Digimon Adventure 02 and its sequels (Digimon Adventure tri. and Digimon Adventure: Last Evolution Kizuna). It is an improved version of the original Digivice used by earlier Chosen Children.

=Overview=

Design
Compared to the original Digivice, the D-3 is slightly larger and more oblong, less ornate, and has a longer antenna. It has two colored grips along its lower sides. It is controlled by a set of four buttons. On its back is a clip, so that it can be worn on its user's belt or bag.

Unlike the original Digivices, all D-3s have personalized colors that represent their user, but like those Digivices, they also enter "activated" states that change their appearance and color scheme when evolving to the Perfect Level or higher:
 * When using Super Evolution to evolve a single Adult Digimon into a Perfect Digimon, the color of the D-3's grips changes to include both white and their original color
 * When two Adult Digimon undergo Jogress Evolution into a Perfect Digimon, both D-3s change into an identical color scheme that features colors associated with both participating Chosen Children

The name "D-3" is an abbreviation of three text strings that Izumi Kōshirō and an American friend find in the devices' data while analyzing them: "Digital", "Detect", and "Discover".

In Digimon Adventure tri. the on-screen design of the D-3s is tweaked to add elements from the LCD toys than are not seen on-screen in Digimon Adventure 02. Changes include adding "DIGIMON LINK SYSTEM" branding to the screen bezel and altering the proportions to more closely resemble the toys, as well as adding details that are not present on the toys, such as an "EVOLUTION" label on the grip altering the proportions of the screen and a more elaborate border around the screen. (The design was revised between "Reunion" and "Confession", as in "Reunion", Takeru's D-3 is missing the "DIGIMON LINK SYSTEM" and "EVOLUTION" labels, as well as the detailing on the power button.)

Functions
The D-3 is said to retain all of the functions of the original Digivices. Known features include:


 * Channeling the emotional energy of the Chosen Child to:
 * Evolve a Baby II Digimon into a Child Digimon, or a Child Digimon into an Adult Digimon
 * Super Evolve an Adult Digimon into a Perfect Digimon, using the energy of a Crest
 * Ultimate Evolve a Perfect Digimon into an Ultimate Digimon
 * Empathetically synchronizing with another D-3 user to:
 * Jogress Evolve two Adult Digimon into a Perfect Digimon
 * Ultimate Evolve a Jogressed Perfect Digimon into an Ultimate Digimon, using the power of one of Qinglongmon's Digicores
 * Mode Change a Jogressed Ultimate Digimon, using the power of one of Qinglongmon's Digicores
 * Performing a "Digimental Up" to Armor Evolve a Child or Adult Digimon into an Armor Digimon, using a Digimental stored in the user's D-Terminal
 * Opening Digital Gates via computers, to enter the Digital World at will
 * Detecting and alerting the user to the presence of an unclaimed Digimental intended for them in the vicinity
 * Has built-in mapping and tracker functions that can:
 * Plot the locations of other nearby Digivices relative to the user as red dots on a simple map
 * Plot the locations of areas with Dark Towers as black spaces on a grid map, updating live as Dark Towers are destroyed (This map can also be transferred onto computers)
 * Unleashing a light that helps Digimon enslaved by Evil Rings overcome their control

Ichijouji Ken's "Dark Digivice" has additional functions that he uses while he is the Digimon Kaiser. Once he abandons the Digimon Kaiser persona, he stops using these powers.
 * Blocking all natural evolution from occurring in its presence, or in the presence of a Dark Tower
 * Controlling Digimon with Evil Rings or Evil Spirals (the controlling signal is transmitted and boosted via Dark Towers)
 * Forcing a Digimon outfitted with an Evil Ring or Evil Spiral to Dark Evolve into a Perfect Digimon

Owners
=Appearances=

Ichijouji Ken's D-3, the "Dark Digivice", is the first D-3 to come into existence. As seen in flashbacks, Ken's original Digivice was mutated into the Dark Digivice when he submerged it in the Dark Ocean, under the influence of his Dark Seed and Oikawa Yukio. When Ken tells this story to Izumi Kōshirō, Kōshirō theorizes that the shape of D-3s is the result of Ken's subconscious desires when the transformation of his Digivice occurred. As the Digimon Kaiser, Ken uses the powers of the Dark Digivice to control Digimon using Evil Rings and Evil Spirals, and to block all natural evolution from occurring. His Dark Towers are able to transmit both of these effects even in his absence, and when they are damaged or destroyed, the effects fail.

Kōshirō theorizes that the other D-3s later came into existence specifically because the Chosen Children needed the same type of Digivice in order to stand a chance against the Digimon Kaiser. Qinglongmon later reveals that he is correct: in response to the appearance of the Dark Towers, the Four Holy Beasts planned to use the forgotten power of Armor Evolution to fight back and restore harmony to the world. They created three D-3s for Motomiya Daisuke, Inoue Miyako and Hida Iori, which are released and sent to them in the Real World when Yagami Taichi finds and touches the Digimental of Courage. Some days after, when Takaishi Takeru and Yagami Hikari find the Digimentals of Hope and Light, their original Digivices react to them and are transformed into D-3s as well. Qinglongmon later reveals that it was responsible for transforming their Digivices, so that they could use Armor Evolution, but that their use of the Digimentals quickly defied its expectations because of their use of D-Terminals to store Digimentals when not in use, enabling them to use multiple Digimentals each.

The Chosen Children quickly discover that the original Digivice is at a disadvantage compared to the D-3s due to their new functions, such as the ability to open Digital Gates. When it speaks to the Chosen Children after it is released, Qinglongmon implies that the original Digivice model is, unlike D-3s, also not compatible with the ancient evolutionary technique of Armor Evolution. Because of this, the six older Chosen Children pass the torch to the five (later six, when Ken joins them after his defeat) D-3 users and let them take the lead in the fight against the Digimon Kaiser and, later, Archnemon and Mummymon.

On one occasion, Kōshirō borrows Miyako's D-3 to study it and learn more about it. He finds a map function that tracks the locations of Dark Tower-controlled areas, and copies that function onto computers. He also has an American friend help him analyze its data, and from these findings, he coins the name "D-3" from three text strings that start with "D" that they find in the data.

The Digimon Kaiser abducts Agumon and uses him as a guinea pig in his evolution experiments. Using the power of his Dark Digivice through an Evil Ring, he succeeds in forcing Agumon to Dark Evolve into Skull Greymon, although Skull Greymon is uncontrollable and the evolution is unstable and short-lived. In response to this, he develops the Evil Spiral, with which he succeeds in forcing Agumon to evolve more stably into a Virus-attribute Metal Greymon. He abandons these experiments after the Chosen Children free Metal Greymon.

On December 31 2002, during the final confrontation with Belial Vamdemon in the Digital World, D-3s of their own appear in the hands of the twenty children whom Oikawa Yukio had given Dark Seeds, when the Chosen Children inspire them to have faith in themselves and their ability to achieve their dreams. Their hope contributes to the destruction of Belial Vamdemon.

Motomiya Daisuke and Ichijouji Ken still have their D-3s when the Old Clock Shop Man brings them into DigiQuartz.

Takaishi Takeru and Yagami Hikari still possess their D-3s and routinely use them. Izumi Kōshirō observes that in the year leading up to the events of tri., the Digivices had begun malfunctioning as one of six unusual events related to the closing off of the Digital World, but when the Infected Digimon start emerging and the partner Digimon return from the Digital World, they are able to use their D-3s for evolution again with no problems.

Following Ichijouji Ken's disappearance, his D-3 came into Himekawa Maki's possession, along with his D-Terminal. When the Chosen Children gather at to enter the Digital World, she presents the Chosen Children with the D-3 and D-Terminal for them to use to open a Digital Gate by synchronizing it with the powers of their Crests.

Motomiya Daisuke, Ichijouji Ken, Inoue Miyako, Hida Iori, Takaishi Takeru, and Yagami Hikari all still possess their D-3s. However, as of the start of the film, they are no longer in regular use. Instead, the Chosen Children use new smartphone Digivices as a replacement that performs all of the functions of their original devices and more.

When Ishida Yamato contacts Daisuke, Ken, and Iori to recruit them into his efforts to investigate Menoa Bellucci and Yamada Kyotaro, he asks Daisuke whether their D-3s have undergone any changes (thinking of the appearance of the coundown rings on his own and Yagami Taichi's Digivices), but Daisuke reports that there are no changes.

A D-3, alongside a Digivice, D-Ark, D-Scanner, Digivice Burst (incorrectly stated to be a Digivice iC), and Digimon Xros Loader, is displayed on a desk in the real world.

This Digivice is the basis for the D-3: Digimon Detect & Discover line of LCD quest toys, produced for Japanese markets. Its main gimmick is its antenna, which is used to locate Digimentals in the game and other D-3 toys. Three versions were produced in 2000, and an enhanced re-release, the D-3 Ver.15th, was released in 2017 to commemorate the fifteenth anniversary of Digimon Tamers.

Non-Japanese markets received the D-3 Digivice line of LCD quest toys. These are greatly simplified compared to the Japanese toys, and do not have any of the antenna functionality.

TCG
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=Additional Information=