- Pursuing a mechanical design, both high-density details and ease of assembly.
- It is possible to transform from MS to MA form by sliding mechanism and movable shaft in various places.
- The legs have multiple joints to reproduce the transformation to MA form while ensuring the range of motion.
- The shoulder part is equipped with a gimmick that can be transformed into the state of MA form without replacing parts.
- By installing interlocking movement by each link mechanism, the deformation of the head in MA form is reproduced.
- Mjolnir's wire is reproduced with lead wire. The lead wire can be stored inside by turning the spine of Mjolnir.
- The claw unit can be flexibly moved on each axis.
- The shield cannon can be attached to the arm in the MS form and to the shoulder in the MA form. By expanding the grip, it can also be held by hand.
- Equipped with a gimmick that the cannon on the nose interlocks and protrudes when the hatch is opened in MA mode.
- Comes with display parts for MA mode.
- Display is possible with "FULL MECHANICS 1/100 Calamity Gundam" (sold separately) on board. (* Use multiple action bases sold separately.)

Set includes
Shield gun x 1
Mjolnir x 1
Pedestal for Mjolnir x 1
Support parts for MA form display x 1
One set of joint parts for reproducing the Calamity boarding scene
Sticker x 1
Marking sticker x 1
Lead wire x 1