The High Grade the Witch from Mercury (HGTWFM) X-EX01 Gundam Calibarn is a 1/144 scale kit released in 2023.

Gundam Information X-EX01 Gundam Calibarn

The Vanadis Institute developed countless prototype units in addition to the Lfrith before the establishment of GUND FORMAT technology. Of these units, the Gundam Calibarn took the most strikingly different direction from that of the Lfrith. Unlike the Lfrith, which could be operated with minimal impact on the human body within a certain Permet Score, Calibarn prioritized mobile suit performance to seek the utmost limits of GUND-ARM capabilities and adopted extreme measures that did not guarantee the pilot’s life protection at all. After losing to the Lfrith in the development competition, it is said that all records of the Calibarn were destroyed, and it was made off-limits and sealed away. Although it aimed to become the mainstream of GUND-ARMS, the Calibarn could very well have been considered the most cursed of all Gundams from the public sentiments.

X-EX01 Gundam Calibarn
X-EX01 Gundam Calibarn

Variable Rod Rifle

A long portable firearm and the main weapon of the Calibarn. On its rear-end sits a propulsion unit made of four Quadra Thrusters, which can also be used to propel the Calibarn itself.

High Maneuverability Mode

A form in which the unit’s legs expand outwards, complete with features specialized for posture control during space movement.

Shell Unit

With a distinct control system from that of Lfrith-types, the Calibarn’s Shell Unit also emits a unique rainbow-hued light depending on its GUND FORMAT operation level.


A multi-purpose platform made up of 11 Bit Staves that had been equipped to the Aerial. It functions not only as a shield but also as a GUND-BIT, a next-generation remote-controlled swarm weapon system.

Box Art

Box art – HGWFM 1/144 Gundam Calibarn

Gunpla Manual

Gunpla Manual HG 1/144 RX-77-02 Guncannon (Cucuruz Doan’s Island Ver.)

Promotional Video

Official Images

Suletta’s newest mobile suit, the Gundam Calibarn, is finally coming in the High Grade GunPla series, complete with pure white armor and its broom-like beam cannon as its main weapon to add a little touch of “witch”!

The kit was first planned during the Hobby Next Phase Spring 2023, as a secret GunPla under a tentative name of New Product B.

** Can be displayed using two sets of the Witch From Mercury Weapon Display Base (sold separately)

During the Vanadis Incident, the Gundam Calibarn was seized by the Space Assembly League. It was also nicknamed the “Monster”, like the character Caliban in Shakespeare’s play The Tempest, from which it derives its name.

Just like the other Gundam Witch from Mercury GunPla models, the shell unit are molded in translucent black plastic with matching effect stickers that goes underneath it to portray a Permet Score level.

The alternative shell unit is also provided with iridescent glow effect and alternative v-fin with the same effect.

Release Info

Release Date: July 2023
Price: 2,200 Yen

The X-EX01 Gundam Calibarn is a mobile suit introduced in Mobile Suit Gundam the Witch from Mercury. It is used by Suletta Mercury near the finale of Season 2.


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