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{{Infobox Object  
{{Infobox Object  
|image = D-Mat_Gun.PNG
|aka = D-Mat
|name = De-mat Gun
|image = De-mat gun.jpg
|type = [[Firearm]]
|type = [[Firearm]]
|origin = [[Time Lord]]
|origin = [[Gallifrey]]
|appearances = [[TV]]: ''[[The Invasion of Time]]''
|first = The Invasion of Time (TV story)
|mentions = [[PROSE]]: ''[[The Taking of Planet 5]]''<br />[[COMIC]]: ''[[The Forgotten]]''
|appearances = [[PROSE]]: ''[[The Book of the War (novel)|The Book of the War]]''<br>[[COMIC]]: ''[[Weapons of Past Destruction (comic story)|Weapons of Past Destruction]]''
}}
}}
The '''dematerialisation gun''', more often simply called the '''De-mat Gun''' or '''D-Mat''', was a powerful [[Time Lord]] weapon that could [[temporal erasure|remove its target]] from [[time]].


The '''De-mat Gun''' was a powerful weapon of the [[Time Lord]]s of the [[planet]] [[Gallifrey]]. A remark by [[Borusa]] implied that [[Rassilon]] had at least a hand in its construction or design. It could remove the target from space-time, but required the [[Great Key of Rassilon]] to arm it.
== Effects ==
When its trigger was pulled, the De-mat Gun would fire a beam that [[temporal erasure|erased its target from reality itself]]. ([[TV]]: ''[[The Invasion of Time (TV story)|The Invasion of Time]]'') It did so by scanning its target's [[timeline]], identifying every particle that ever interacted with their body, and then using its superpowerful [[quantum computer]], linked to [[the Homeworld]]'s causal nexus, to remodel everything else in creation without the target. From the user's perspective, the machine didn't harm anything, but from the victim's point of view, they were suddenly built out of [[molecule]]s that the [[universe]] didn't remember. Despite having no physical form, no past, and no present, the victim would nonetheless continue to exist as a "naked [[soul]]". ([[PROSE]]: ''[[The Book of the War (novel)|The Book of the War]]'')
 
The gun's power frightened the Time Lords, and they forbade its use in battle under normal circumstances. The De-mat gun was only acceptable to use as a final resort, and even then, it required the [[Great Key of Rassilon]] to operate, preventing it from being used if it were stolen. ([[TV]]: ''[[The Invasion of Time (TV story)|The Invasion of Time]]'')


== History ==
== History ==
As [[Lord President]], the [[Fourth Doctor]] used the De-mat gun against the [[Sontaran]] leader [[Stor]] and his remaining troops in the [[Capitol]] on Gallifrey. The gun apparently vaporised itself, leaving only the Great Key. After this, the Doctor could not remember the last few days. ([[TV]]: ''[[The Invasion of Time]]'')
As [[Lord President]], the [[Fourth Doctor]] hypnotised [[Rodan]], assisted by [[K9 Mark I]], into building a De-mat gun. He used the De-mat gun against the [[Sontaran]] leader [[Stor]] and his remaining troops in the [[Capitol]] during their [[Sontaran invasion of Gallifrey|invasion]] of [[Gallifrey]]. The gun apparently vaporised itself, leaving only the Great Key. After this, the Doctor could not remember the last few days. ([[TV]]: ''[[The Invasion of Time (TV story)|The Invasion of Time]]'')
 
The Great Key was lost during the opening strikes of the [[War in Heaven]], leading the Time Lords to research further more destructive weapons. ([[PROSE]]: ''[[Alien Bodies (novel)|Alien Bodies]]'', ''[[The Ancestor Cell (novel)|The Ancestor Cell]]'', ''[[The Book of the War (novel)|The Book of the War]]'') Nevertheless, the D-Mat became an important symbol among the [[House Military]] during the War: "D-Mat 'em 'til they aren't, and hit 'em when they weren't" was a rallying call on at least one [[House Military]] front, and troops in [[forced regen mission]]s were usually equipped with at least one "[[totem]]ic" D-Mat weapon; faux D-Mat technology was a [[burlesque device]] used by eccentric [[Fourth Wave]] units. ([[PROSE]]: ''[[The Book of the War (novel)|The Book of the War]]'') These de-mat guns were stored on [[Gallifrey Nine]]. ([[PROSE]]: ''[[The Taking of Planet 5 (novel)|The Taking of Planet 5]]'')
 
During the [[Last Great Time War]], the [[Gauntlet of Rassilon]] and the [[Dalek]]s' [[Temporal Cannon]] were De-mat weapons with similar effects to the De-mat Gun. ([[PROSE]]: ''[[Engines of War (novel)|Engines of War]]'') During the Time War, the [[Eighth Doctor]] made a plan to use the [[Great Key of Rassilon]] to modify the De-mat Gun so it could remove millions from time and space at once, possibly [[time lock|sealing]] the [[Medusa Cascade]] if needed. To steal the Great Key, he caused himself to be imprisoned for over a month on a planet with [[Chantir]]. The Doctor would successfully create and use the modified De-mat Gun, ([[COMIC]]: ''[[The Forgotten (comic story)|The Forgotten]]'') [[the Moment]], to end the Time War, ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'', [[COMIC]]: ''[[Don't Step on the Grass (comic story)|Don't Step on the Grass]]'') but as a side effect it erased his memories of Chantir, among many other things. ([[COMIC]]: ''[[The Forgotten (comic story)|The Forgotten]]'') By another account, the [[War Doctor]] stole the weapon from the [[Omega Arsenal]] rather than build it. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'', [[PROSE]]: ''[[Engines of War (novel)|Engines of War]]'') When [[the Enigma]] loomed over [[Gallifrey]], the [[War Ollistra]] ordered the de-mat gun fired at it to no effect. ([[AUDIO]]: ''[[The Enigma Dimension (audio story)|The Enigma Dimension]]'')


The Great Key was lost some time in the [[Second War in Heaven]], necessitating the Time Lords to research further more destructive weapons. ([[PROSE]]: ''[[Alien Bodies]]'', ''[[The Ancestor Cell]]'') De-mat guns were used in the war and stored on [[Nine Gallifreys|Gallifrey Nine]]. ([[PROSE]]: ''[[The Taking of Planet 5]]'')
A de-mat gun was for sale at the [[Fluren Temporal Bazaar]], where weapons from the Time War and aborted timelines were being sold. ([[COMIC]]: ''[[Weapons of Past Destruction (comic story)|Weapons of Past Destruction]]'')


Toward the end of the [[Last Great Time War]], the [[Eighth Doctor]] was imprisoned for over a month on an unknown planet with a [[Malmooth]] named [[Chantir]]. It turned out the [[Eighth Doctor]] had planned his imprisonment to infiltrate the prison and steal [[the Great Key]] when it arrived on a transport. After escaping with it, the Doctor noted the Great Key had been part of a weapon called the De-mat Gun, which could completely remove something from time and space.
== External links ==
{{fpx|D-Mat}}


The Doctor intended to modify the gun so that it could remove millions from time and space at once, possibly sealing the [[Medusa Cascade]] if needed. ([[COMIC]]: ''[[The Forgotten]]'') This device may have been what became known as [[the Moment]], and the Doctor used it to end the Time War. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'', [[COMIC]]: ''[[Don't Step on the Grass]]'')
[[Category:Handheld weapons]]
[[Category:Handheld weapons]]
[[Category:Gallifreyan weapons]]
[[Category:Gallifreyan weapons]]
[[Category:Superweapons]]
[[Category:Superweapons]]
[[Category:Artefacts of Rassilon]]
[[Category:Unique weapons]]
[[Category:Unique weapons]]
[[Category:Weapons in the Last Great Time War]]
[[Category:Weapons in the War in Heaven]]

Latest revision as of 02:31, 22 November 2023

The dematerialisation gun, more often simply called the De-mat Gun or D-Mat, was a powerful Time Lord weapon that could remove its target from time.

Effects[[edit] | [edit source]]

When its trigger was pulled, the De-mat Gun would fire a beam that erased its target from reality itself. (TV: The Invasion of Time) It did so by scanning its target's timeline, identifying every particle that ever interacted with their body, and then using its superpowerful quantum computer, linked to the Homeworld's causal nexus, to remodel everything else in creation without the target. From the user's perspective, the machine didn't harm anything, but from the victim's point of view, they were suddenly built out of molecules that the universe didn't remember. Despite having no physical form, no past, and no present, the victim would nonetheless continue to exist as a "naked soul". (PROSE: The Book of the War)

The gun's power frightened the Time Lords, and they forbade its use in battle under normal circumstances. The De-mat gun was only acceptable to use as a final resort, and even then, it required the Great Key of Rassilon to operate, preventing it from being used if it were stolen. (TV: The Invasion of Time)

History[[edit] | [edit source]]

As Lord President, the Fourth Doctor hypnotised Rodan, assisted by K9 Mark I, into building a De-mat gun. He used the De-mat gun against the Sontaran leader Stor and his remaining troops in the Capitol during their invasion of Gallifrey. The gun apparently vaporised itself, leaving only the Great Key. After this, the Doctor could not remember the last few days. (TV: The Invasion of Time)

The Great Key was lost during the opening strikes of the War in Heaven, leading the Time Lords to research further more destructive weapons. (PROSE: Alien Bodies, The Ancestor Cell, The Book of the War) Nevertheless, the D-Mat became an important symbol among the House Military during the War: "D-Mat 'em 'til they aren't, and hit 'em when they weren't" was a rallying call on at least one House Military front, and troops in forced regen missions were usually equipped with at least one "totemic" D-Mat weapon; faux D-Mat technology was a burlesque device used by eccentric Fourth Wave units. (PROSE: The Book of the War) These de-mat guns were stored on Gallifrey Nine. (PROSE: The Taking of Planet 5)

During the Last Great Time War, the Gauntlet of Rassilon and the Daleks' Temporal Cannon were De-mat weapons with similar effects to the De-mat Gun. (PROSE: Engines of War) During the Time War, the Eighth Doctor made a plan to use the Great Key of Rassilon to modify the De-mat Gun so it could remove millions from time and space at once, possibly sealing the Medusa Cascade if needed. To steal the Great Key, he caused himself to be imprisoned for over a month on a planet with Chantir. The Doctor would successfully create and use the modified De-mat Gun, (COMIC: The Forgotten) the Moment, to end the Time War, (TV: The End of Time, COMIC: Don't Step on the Grass) but as a side effect it erased his memories of Chantir, among many other things. (COMIC: The Forgotten) By another account, the War Doctor stole the weapon from the Omega Arsenal rather than build it. (TV: The Day of the Doctor, PROSE: Engines of War) When the Enigma loomed over Gallifrey, the War Ollistra ordered the de-mat gun fired at it to no effect. (AUDIO: The Enigma Dimension)

A de-mat gun was for sale at the Fluren Temporal Bazaar, where weapons from the Time War and aborted timelines were being sold. (COMIC: Weapons of Past Destruction)

External links[[edit] | [edit source]]