One Piece Episode 422 〈TRUSTED × HOW-TO〉

: Garp visits Ace in his cell at Level 6, revealing critical backstory about Ace’s lineage and the weight of his upcoming execution.

, titled "A Deadly Infiltration! The Underwater Prison Impel Down," serves as the high-stakes premiere of the Impel Down Arc . It successfully shifts the tone from the whimsical Amazon Lily to a claustrophobic, high-security thriller. Episode Summary One Piece Episode 422

: By showing the absolute security of the facility, the episode makes Luffy’s mission feel nearly impossible, effectively resetting the power scale after his recent victories. Draft Review : Garp visits Ace in his cell at

: The episode effectively introduces the "Underwater Prison," emphasizing its status as an inescapable fortress where the world's most dangerous criminals are held. Review Highlights One Piece Episode 422