Gachiakuta Episode 21 Review — Rudo Unlocks “Gear 2” in a Stunningly Animated Episode

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Gachiakuta Episode 21 review

Gachiakuta Episode 21 delivers everything fans have been waiting for — explosive action, razor-sharp comedy, massive plot progression, and above all, some of the best animation of the entire series. Studio Bones is clearly putting its full power into this adaptation, and this episode makes that effort unmistakable.

From start to finish, Episode 21 is a visual feast. The mastery of hybrid 2D and 3D animation, fluid character movement, and fast-paced choreography elevates the series to new heights. Not a single frame feels wasted. The pacing is tight, the tension is strong, and the payoff is extraordinary.


Rudo’s Insane Awakening Steals the Entire Episode

Rudo finally taps into a new level of power — a “Gear 2”-style evolution that feels earned, logical, and satisfyingly intense.

Up until now, Rudo’s three R-Gloves have split their power across different tools. But Episode 21 gives him a new strategy: concentrate all of his glove energy into a single weapon. It’s a simple concept, but visually? It’s next-level.

  • No random ability
  • No sudden power unlocked from nowhere
  • Just pure, focused energy used with perfect timing

This is how you do a shonen power-up right.

The moment Rudo channels all of his energy into a single shot, his weapon becomes a monster — a handheld cannon capable of obliterating Bundos’ hands in one devastating blast. The animation, lighting, camera movement, and sound design create a jaw-dropping scene that immediately stands out as one of the best in the anime so far.

Fans weren’t just watching.
They were screaming.


When You Spare a Villain… They Come Back Stronger

The final moments shift attention from Rudo to Rio — and to the consequences of her earlier mercy.

Noard returns, and she is furious.

In a previous episode, Rio let her live because of a promise to Enjin — a moral stand that now backfires dramatically. Noard appears with a terrifying power boost, radiating menace and bloodlust, and singles out Rio as her personal target.

Meanwhile, the cleaners are seconds away from destroying the trash beast’s core. The stakes couldn’t be higher:

  • The kaiju-like trash beast is inches from crossing the forbidden border.
  • The team is exhausted.
  • Rudo has burned through his energy reserves.
  • And Noard’s sudden arrival destabilizes everything.

Her reappearance feels like a proper villain moment — fierce, stylish, and full of the chaotic energy that makes Gachiakuta so unpredictable.


A Perfect Setup for an Explosive Episode 22

Gachiakuta has always thrived on subverting expectations, and Episode 21 ends on that exact note. Anything can happen next:

  • Rio may need her own power-up
  • Rudo is running on fumes
  • The trash beast is seconds from disaster
  • And Noard’s revenge threatens to derail everything

The cliffhanger is brutal — in the best way.


Final Verdict: A Peak Episode

Gachiakuta Episode 21 is easily one of the strongest episodes in the series so far.
Between Rudo’s transformation, the flawless animation, and the rising tension, this episode delivers a perfect blend of spectacle and storytelling.

Rating: ⭐⭐⭐⭐⭐ / 5
Pure heat. Peak animation. Zero wasted moments.


What did you think of Gachiakuta Episode 21? Let us know your thoughts in the comments below!
Gachiakuta is currently available to stream on Crunchyroll.

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