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The Forbidden Wunderwaffe: MRX-013-3 Psycho Gundam Mk-IV 'G-Doors' Technical Analysis

Following the defeat in U.C. 0088, the Titans ceased to be a political powerhouse, evolving into radicalized resistance cells known as the Titan Remnants. Lacking resources for massive fleets, their doctrine shifted toward Asymmetric High-Tech Warfare. Their goal was to create "Wunderwaffen" (wonder weapons) capable of altering the tactical balance through individual qualitative superiority.


INTERNAL REPORT: MRX-013-3 Psycho Gundam Mk-IV "G-Doors"

Codename: Psycho Gundam Mk-IV (Condensed Fortress Type)
Date: U.C. 0091 | Contractor: Murasame Lab (Remnant Division)

G-Doors in Action: Psychoframe Manifestation
The Titan Remnants' MRX-013-3 G-Doors with active Psycho Plates

The Titan Remnants' MRX-013-3 G-Doors with active Psycho Plates emitting an intense red glow.

The Missing Link Between the Mobile Fortress and the Psychoframe Revolution

Following the defeat in U.C. 0088, the Titans ceased to be a political powerhouse, evolving into radicalized resistance cells known as the Titan Remnants. Lacking resources for massive fleets, their doctrine shifted toward Asymmetric High-Tech Warfare. Their goal was to create "Wunderwaffen" (wonder weapons) capable of altering the tactical balance through individual qualitative superiority.

The MRX-013-3 Psycho Gundam Mk-IV "G-Doors" represents the culmination of this desperation. Unlike its 40-meter predecessors, the Mk-IV prioritized radical miniaturization. By condensing the power of a mobile fortress into a 19.3-meter frame, it enabled tactical surprises that massive units simply could not offer.

The "Enkidu" Connection: Char Aznable's Pragmatism

The development of the G-Doors conceals one of the lore's most fascinating conspiracies: the intervention of "Mr. Enkidu". Records confirm with 99% certainty that this was an operational alias for Char Aznable.

In an act of ruthless pragmatism, Char provided technical data and primitive Psychoframe material to his sworn enemies. His intention was to utilize the Titans as a disposable testbed. By observing the G-Doors engage Londo Bell—and specifically Amuro Ray—Char obtained invaluable combat data for his future MSN-04 Sazabi without risking a single Neo Zeon life. The name "Enkidu," Gilgamesh's wild companion, serves as an ironic reference to the necessary rivalry between him and Amuro.

MRX-013-3 Psycho Gundam Mk-IV 'G-Doors' - Technical Data
Technical Data G-Doors

Mechanical works page revealing its role as a 'Wunderwaffe' of the Titan Remnants.

Engineering and Combat Logistics

The G-Doors is a marvel of compromise engineering. As a non-transformable design based on a rigid Movable Frame, engineers eliminated structural weaknesses and optimized internal volume.

  • Desperate Logistics: Demonstrating its "remnant" nature, the G-Doors Beam Rifle was designed to be compatible with Gundam Mk-II (RX-178) E-Pacs, allowing the Titans to utilize existing supplies.
  • Internal Propulsion: Eliminating the transformation mechanism freed up massive space in the legs, which was filled with additional propellant tanks. This allowed the G-Doors to operate for extended periods.
  • Power Plant: Its Minovsky reactor generates over 3,300 kW, providing the necessary power to feed the Hybrid Psycommu System. This system superimposes a direct neural interface over standard controls, creating a cognitive load only manageable by a highly conditioned Cyber-Newtype.
G-Doors: Compromise Engineering and Psycho Plates
G-Doors Schematic

Technical schematic highlighting the non-transformable design based on a rigid Movable Frame.

The "Doors" of Perception: Psycho Plates

The name "G-Doors" is derived from its 16 Psycho Plates. These are not conventional Funnels; they are modules for total combat.

  • Structure: Solid blocks of Gundarium infused with Psycommu circuits and I-field generators.
  • Offensive Doctrine: They act as kinetic projectiles that ram targets, physically demolishing cockpits while ignoring anti-beam coating.
  • Defensive Doctrine: They can cluster to form physical shields. This "aggressive defense" is the direct ancestor of the Nu Gundam's Fin Funnels.
The Psychoframe Aura: Power of a Cyber-Newtype
G-Doors Aura

The G-Doors floating with its Psycho Plates activated, ready to strike.

Incident at Side 1: Amuro Ray vs. The Machine

In U.C. 0091, the G-Doors clashed with Amuro Ray's MSK-008R Rick Dijeh. It became one of the most brutal duels in the Federation ace's career. The plates initially took Amuro by surprise, destroying his Hyper Mega Launcher and shattering the Rick Dijeh's armor in minutes. Utilizing pure intuition, Amuro charged directly into the G-Doors' body. While Amuro successfully destroyed the reactor, his Rick Dijeh was so severely damaged it had to be scrapped and rebuilt, giving birth to the "Rick Dijeh Modified".

Tactical Supremacy: G-Doors in Combat
G-Doors Combat

Legacy: From Debris to Deity in Moon Moon

The head of the G-Doors and eight plates drifted toward the colony Moon Moon. There, a society that rejected technology revered them as sacred relics. In U.C. 0092, this head would fuse with the AMS-123X Varguil to create the Moon Gundam, uniting Titan and Neo Zeon technology under the control of young Jutta Qasim.

Metanalysis: Design and Simulation (GBO2)

  • Gyoubu Aesthetic: Designer Ippei Gyoubu endowed the G-Doors with an "Industrial Baroque" aesthetic. Its face is a ceremonial mask evoking a skull.
  • GBO2 Metrics: In the simulator, it stands as a Cost 700 (Support) unit. Its "Psycho-Plate Resonance" skill activates at 30% HP, confirming that the G-Doors becomes deadlier as its pilot is cornered.
MRX-013-3 Psycho Gundam Mk-IV 'G-Doors' - Front View
G-Doors Front

This G-Doors analysis dives deep into the missing link of the Psychoframe revolution. What are your thoughts on this design? Let us know in the comments below!

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