HGBuild Divers

AGMF-X56S/a Impulse Gundam Arc

A stripped-down riff on a UC-era favorite that builds fast and still has a trick up its sleeve.

MechaGrade Score

3.7/5

Impulse Gundam Arc · 1/144 · 2018

GradeHG

Scale1/144

Released2018

Runnersn/a

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The verdict

I like this kit a lot more than I expected to going in.

It takes the bones of the original ZGMF-X56S Impulse Gundam, simplifies the transformation gimmick down to something sane, and hands you a snappy, confident-feeling HG for not much money. The joints lock in place instead of sagging, the rifle and energy tank loadout gives you something to actually pose with, and the whole thing goes together in well under an hour. It is not a deep kit, but it does not pretend to be, and it delivers exactly what it promises.

Best for: builders who want a quick, satisfying weeknight build with a genuine transformation gimmick and zero fuss

The full review

What it is

This is Emilia's ride from Gundam Build Divers, a reworked take on the classic Impulse Gundam that trades the original's three-way Force/Blast/Sword swap for something much more manageable: the whole figure splits cleanly into a Chest Core Flyer and a Leg Flyer. That is the whole gimmick, and honestly it works better for it. I had this built in about half an hour, and every step felt purposeful rather than fiddly. The rifle plus the two backpack energy tanks give you a proper armed loadout right out of the box, and the color separation on the frame is good enough that I did not feel like I needed paint to make it read as a finished model.

The catch

The transformation here is a deliberate downgrade from the original Impulse's more elaborate combining system, so if you came in expecting the full triple changer you will be a little let down. This is also a standard HGBD kit, meaning no inner frame, some reliance on foil stickers for detail work rather than molded color, and a fairly modest part count for the price. None of that is a defect exactly, it is just what an HG from this specific sub-line is, and it means the ceiling on detail and playability tops out lower than a Real Grade or Master Grade would.

Who it's for

If you want a fast, low-stress build that still gives you a real gimmick to fidget with, and you are not precious about screen accuracy to the original Impulse Gundam's full transformation, this is an easy recommend. It is also a nice pickup if you already have or plan to grab the sibling Lancier kit, since the two are designed to swap leg flyers between them. Skip it if you are chasing maximum detail or complexity for your money, since this was built to be quick and approachable rather than a showcase piece.

The build story

What the build is actually like, and the engineering worth knowing about.

Twelve runners, a foil seal sheet, and the instruction manual is all you get in the box, and that is genuinely all you need. Gate placement is clean and the parts snap together with a confidence I did not expect from a budget HGBD release, no loose knees or wobbly ankles here.

The real payoff is the Chest Core Flyer and Leg Flyer split, which is simple enough to demo for a friend in seconds but still feels like a legitimate gimmick rather than a gag. Pair it with the sibling Lancier kit and you can swap leg flyers between the two units, which is a nice bit of built-in playability for two kits that are each individually cheap.

Lore & trivia

01The Impulse Gundam Arc is a reimagined version of the ZGMF-X56S Impulse Gundam from Mobile Suit Gundam SEED Destiny, rebuilt for the Gundam Build Divers continuity.
02It is piloted by the character Emilia and is designed to fight in coordination with its sibling unit, the AGMF-X56S/l Impulse Gundam Lancier.
03The kit's simplified separation into Chest Core Flyer and Leg Flyer sections is a direct nod to the original Impulse's Silhouette System, even though that full mechanism was not carried over.
04Released in September 2018 as HGBD kit number 017.