- WorkMobile Suit Gundam: Iron-Blooded Orphans
- Height18.5 m
- Weight29.2 t
- Pilotマクギリス・ファリド
Model Number: V08-1228
Produced at the end of the Calamity War, the Grimgerde is one of the mobile suit models that used the Valkyrja Frame. The Valkyrja frame was easy to use, lightweight, and compared to the other Calamity War era machines, its design was simple with minimal energy loss. In terms of specifications, the Valkyrja Frame had the capabilities to be the main combat machine on the battlefield. However, as it was developed at around the same time as the Gundam Frame, not many people were aware of its existence. Based on remaining data from the Calamity War era, the overall production number for Valkyrja Frame-based mobile suits was small, with a theory that less than 10 units were produced. There was also not much information regarding their combat record.
The Grimgerde was made to be lighter and more mobile compared to other mobile suits of the time. This translated into high mobility when in space, while on the ground, it is nimble as the effects of gravity are minimized. The main disadvantage of its design is that when the suit is in close combat, control of its center of gravity is important, and any piloting mistakes can lead to attacks with little power that will just bounce off the enemy's armor. After the Calamity War, the performance of the Valkyrja Frame was examined and Gjallarhorn decided to use the frame and Grimgerde as the base for their mobile suit development, resulting in the Geirail Series and its successor, the Graze Series. As a result, the Graze also inherited the design concept of the Valkyrja Frame and the basic structure of the Grimgerde.
