RGCosmic Era

ZGMF-X56S/θ Destiny Impulse Gundam

The Impulse's proven RG frame carrying a backpack built for a completely different suit, and mostly getting away with it.

MechaGrade Score

3.7/5

θ Destiny Impulse Gundam · 1/144 · 2023

GradeRG

Scale1/144

Released2023

Runnersn/a

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The verdict

This is a genuinely clever what-if kit, and I like it more than I expected to.

It takes the excellent RG Impulse frame, keeps the separable Core Splendor gimmick intact, and grafts on an all-new Destiny-style backpack loaded with beam cannons and Flash Edge boomerangs. It works, and it looks fantastic standing still. Where it loses points is exactly where you'd guess: that backpack is heavy, the Impulse frame was never designed to carry it, and the P-Bandai price tag stings for what's ultimately a parts-swap release.

Best for: RG Impulse fans who want the MSV hybrid variant and don't mind babying a top-heavy backpack

The full review

What it is

The Destiny Impulse takes the Core Splendor plus Chest Flyer and Leg Flyer transformation system from the RG Force Impulse and pairs it with a newly molded Destiny Silhouette backpack: twin telescopic beam cannons, forearm-mounted Flash Edge boomerangs, and a set of wings that spread and angle through a real joint chain rather than sitting locked in one pose. Molded color covers the reddish-purple and white scheme cleanly, and a water-slide decal sheet handles the finer Destiny Impulse markings instead of stickers, which I appreciated even though it's more work at the bench. Assembled, it reads as exactly what it is: a hybrid MSV suit that shouldn't quite make sense on paper but does on the shelf.

The catch

The honest problem is weight distribution. The new backpack and its cannons are substantially heavier than what the stock RG Impulse frame was engineered around, and that extra mass at the shoulders and back makes the suit noticeably more prone to tipping or sagging at the waist and hip joints when you pose it, especially with the wings spread. This is a P-Bandai web exclusive, so it runs pricier than a comparable retail RG (around $60 USD) and isn't sitting on store shelves if you skip pre-order windows. The decals also mean more setup time at the bench than a sticker-based kit, and if you've never handled water slides before, budget extra patience for the smaller markings.

Who it's for

If you already like the RG Impulse and want the MSV Destiny hybrid variant with a genuinely different silhouette rather than a straight recolor, this delivers exactly that. It also rewards builders who are patient with balance, propping the stance or using a display stand for dynamic poses saves a lot of frustration. Skip it if you want a kit you can flop into an aggressive pose straight out of the box and trust to hold it, or if the P-Bandai markup and decal work aren't worth it to you versus a standard retail RG. For most other builders, this earns its spot as a display piece more than a poseable action figure.

The build story

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

The build itself leans on the same well-regarded RG Impulse frame underneath, so the core assembly is familiar if you've built other RG kits: small nubs, careful gate placement on the visible color-separated frame parts, and part fit that's snug without needing glue. The new backpack runners are where the extra care goes. The telescopic beam cannons and their mounting joints are dense with small parts, and getting the wing segments seated so they swing freely without popping loose takes a bit of fiddling on first assembly.

Color separation is where RG kits earn their reputation, and this one holds up, the reddish-purple and white split comes molded rather than painted, and swappable hand parts let you rig the boomerangs or an open palm without hunting for a spare joint. The part count is high for a 1/144 given the transformation gimmick plus the all-new backpack, so value for the price band leans on getting both the Impulse frame and a genuinely different accessory loadout in one box rather than sheer part volume.

Lore & trivia

01The Destiny Impulse is a Mobile Suit Variation (MSV) suit, a hypothetical combination that never appears as a standalone unit in the SEED Destiny television series itself.
02It combines the Core Splendor and flight-unit system from Shinn Asuka's ZGMF-X56S Impulse Gundam with a Destiny Silhouette-style backpack modeled after the ZGMF-X42S Destiny Gundam's equipment.
03The RG kit is a Premium Bandai web exclusive, first released and later reissued through P-Bandai rather than general retail.
04A separate RG Effect Unit Wing of Light accessory, originally sold for the RG Destiny Gundam, is compatible with the Destiny Impulse's backpack but is not included in the base kit.