Quick answer
Choose the HG Gundam Naion if you want a detailed, highly articulated manga-accurate mobile suit in 1/144 scale. Pick the MG Barbatos Lupus Expansion Set if you already own the MG Barbatos Lupus and want the massive Valkyrja Buster Sword and effect parts for a dramatic weapon display.
Scale and build complexity
The HG Gundam Naion is a 1/144 scale kit with new molded parts for high accuracy and articulation, making it a straightforward build that fits on a smaller shelf. The MG Barbatos Lupus Expansion Set is not a full kit but an add-on for the 1/100 MG Barbatos Lupus, so you need the base model already. The expansion adds the Valkyrja Buster Sword, an arm rocket launcher, and effect parts for the Alaya-Vijnana System limiter release, which increases the display presence but requires more assembly and space.
Weapon and effect part focus
If your priority is a complete mobile suit with integrated design, the Gundam Naion delivers a self-contained build with striking details. If you want to upgrade an existing MG Barbatos Lupus with a show-stopping weapon and shoulder vent effects, the expansion set is the clear choice. The trade-off is that the expansion set does not include a full Gundam—only accessories and effect parts.
Trade-offs at a glance
- Complete kit vs. add-on: Gundam Naion is a full HG kit; the Expansion Set is only accessories for the MG Barbatos Lupus. If you don't own the MG Barbatos Lupus, the Naion is ready to build immediately.
- Scale and shelf space: Naion is 1/144 (smaller); the Expansion Set fits 1/100 scale and includes a large sword that demands more display room. Measure your shelf before committing to the expansion's oversized weapon.
- Articulation vs. weapon drama: Naion offers high articulation for dynamic poses; the Expansion Set adds visual impact through the Valkyrja Buster Sword and effect parts. Choose Naion for posing, the expansion for a static centerpiece upgrade.
Product facts at a glance
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P-Bandai: HG 1/144 Gundam Naion: Gundam Naion is a new molded HG 1/144 kit from Mobile Suit Gundam: The Witch from Mercury – Vanadis Heart, with high articulation and manga accuracy. You get a complete, poseable model right out of the box without needing any other kit.
P-Bandai: HG 1/144 Gundam Naion
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P-Bandai: MG 1/100 Gundam Barbatos Lupus Expansion Set: The MG Barbatos Lupus Expansion Set includes the Valkyrja Buster Sword, arm rocket launcher, and Alaya-Vijnana System limiter release effect parts. It dramatically upgrades the display of your MG Barbatos Lupus but requires that base kit and focuses on weapon/effect parts rather than a full mobile suit.
P-Bandai: MG 1/100 Gundam Barbatos Lupus Expansion Set
Which P-Bandai kit fits you?
Best for
- Builders who want a complete, highly articulated 1/144 Gundam from The Witch from Mercury manga
- Collectors who already own the MG Barbatos Lupus and want to add a massive weapon and effect parts
Not for
- Builders who want a full MG kit without owning the base model (choose a standalone MG instead)
- Those who prefer small, space-saving displays (the expansion's sword is large)
