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The LRX-066 Tera-S'ono is a Prototype Mobile Armor from the SD Gundam G Generation video game SD Gundam G Generation: Monoeye Gundams. It is an uncanonical Mobile suit of the Universal Century time-line although it was developed in the same time as the RX-178 Gundam Mk-II. It is piloted by Serein Experi.

Technology & Combat Characteristics

Developed as a part of Project Sirene (Siren) by the Flanagan Institute, it was originally unarmed. However incorporated all throughout its design is a massive Psycommu System, allowing it to be controlled entirely mentally as well as to cause enemy pilots to berserk. The LRX-077 Sisquiede and LRX-088 Dezpada were developed as guardian units for it. However when the Sisquiede was stolen, the Tera-S'ono was given its own armaments. The mobile armor mode of the Tera-S'ono wasn't a transformation like many mobile suits, but rather a massive docked system much like the Denrobium Stamen and Orchis. It’s mobile armor mode resembled that of the Rafflesia. In the game itself apparently the four particle cannons could be fired as one larger beam, but it is not entirely sure how that translates over to regular specs.


  • Beam Saber
  • Mega Beam Launcher
  • Hand Launcher
  • Striker Bits

System Faetures

  • Seirene System
A military plan originally proposed by the Principality of Zeon and recovered by the Titans, this project was developed with the aim of using a Newtype machine to perform wide-area mind control via increasing sensitivity to psycho-waves. It was intended to cause loss of rational thinking in enemy soldiers. This system would be installed in the large Tera-S'ono psycho-wave unit. The two escort units Sisquiede and Dezpada correspond to two former Zeon Newtype machines, the MAN-03 Braw Bro and the MAN-08 Elmeth.


The LRX-066 Tera-S'ono is deployed with Serein as pilot, but because the system was unstable, it was shot down by the AEUG. A few units were produced after by the Titans, however, with the loss of Serein, the Sereine System could no longer be used. Although Project Seirene ended in failure, the concept is later seen in the Angel Halo.



  • Its name is derived from "tera suono", Italian for "trillion sounds".


SD Gundam G Generation Series Original Mechanics
Earth Federation
Mobile Weapon
Mobile Suit
D Gundam Kai | RGM-79ARA GM Juggler | RX-78NT-X NT-X | RX-79Ez-8 Gundam Ez8 Kai | RX-79Ez-8/HAC Gundam Ez8 Heavy Armed Custom | RX-79Ez-8/HMC Gundam Ez8 High Mobility Custom
Mobile Weapon
Mobile Suit
RMS-099S Rick Dias S
Mobile Armour
MAK-005S Gaplant Kai
Mobile Weapon
Mobile Suit
LRX-066 Tera-S'ono | LRX-077 Sisquiede | LRX-088 Dezpada | ORX-012 Gundam Mk-IV | PMX-004 Titania
Principality of Zeon
Mobile Weapon
Mobile Suit
MS-09F/Bn Dom Bein Nichts | MS-09F/Gb Dom Gross Beil | MSN-03-2 Great Zeong
Mobile Armour
MA-09 Mass Production Type Big Zam | MAN-05 Gromlin | MAN-05B Gromlin Fossil
Axis Zeon
Mobile Weapon
Mobile Suit
AMX-001 Prototype Qubeley | AMX-017 Gigantic | AMX-103G Mass Production Type Hamma Hamma | MS-15K Gyan Kai
Mobile Armour
AMA-100C Mass Production Type Z'od-iacok | AMX-002S Neue Ziel II | Gazarello | MAN-05-2 Gromlin II
Anaheim Electronics
Mobile Weapon
Mobile Suit
MS-50A Zaku 50
Crossbone Vanguard
Mobile Weapon
Mobile Suit
XM-07R Vigna Ronah
Mobile Armour
XMA-02 Ebirhu Doga
Zanscare Empire
Mobile Weapon
Mobile Suit
ZMT-S35S Rig Ring | ZMT-S37S Zanspine
Devil Gundam
Mobile Weapon
Mobile Fighter
JDG-010 Devil Gundam Junior
Organization of the Zodiac
Mobile Weapon
Mobile Suit
OZ-14MS Gundam Aquarius
United Nations Earth
Mobile Weapon
Mobile Suit
GB-9700 Gundam Belphagor
Game Originals
Mobile Weapon
Mobile Suit
Centurio | GGF-000 Master Phoenix | GGF-001 Phoenix Gundam | GGH-001 Halphas Gundam | GGH-001C Halphas Böse | GGH-010 Regina | GGS-000 Phoenix Zero | GGV-000 Barbatos | GGV-000 Barbatos Mirage | GS-A0 Queen Amelias
Mobile Armor
GNC-666 Balbadoro
God Haro | Green Haro | HARO-86 Haro | HARO-86-2 Psyco Haro | Navy Haro | Orange Haro | Pink Haro | Skyblue Haro | Yellow Haro

Transporter / Supply Ship
Madia | Manheim
Cruiser / Mother Ship
Carry Base
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