Black Clover (tv) (dub) Episode 21 -

Several reaction-based reviews expressed surprise at the sudden "zombie apocalypse" vibe. The transition from a tense royal banquet to a full-scale siege on the capital by undead hordes was seen as a great way to escalate the tension.

Episode 21, " Capital Riot ," is widely regarded by fans and reviewers as the moment Black Clover truly finds its footing, shifting from character introductions to high-stakes action. Black Clover (TV) (Dub) Episode 21

Fans on Reddit celebrated the significantly reduced recap time (only 30 seconds), noting that the episode flowed much better than earlier installments. Key Episode Elements Fans on Reddit celebrated the significantly reduced recap

The "aura battle" between the two captains provided a chilling demonstration of high-level mana, a trope reviewers felt was executed perfectly to show the power gap between Asta and the top-tier knights. " Capital Riot

Even in a serious episode, the "Petite Clover" segment—specifically Mimosa's "best girl" moment—remained a fan-favorite for adding much-needed levity.