The concept of "Resonance" refers to the strange reaction between Boruto's and Kawaki's Karma marks during the fight. This phenomenon hints at a deeper connection between the two boys and the true nature of the Karma, a central mystery of the series. The episode effectively establishes Kawaki as a formidable and complex character, someone who has endured immense trauma and possesses a power that rivals Boruto's own.

In conclusion, Boruto episode 189 is a standout entry in the series, praised for its exceptional production values and its impactful introduction of Kawaki. It successfully bridges the gap between the manga and anime, delivering a thrilling and emotionally resonant experience that sets the stage for the next major chapter in the lives of Boruto Uzumaki and his comrades.

The episode focuses on the immediate aftermath of the previous episode's events, where Team 7 and Katasuke Tono encounter a mysterious, unconscious boy—Kawaki—surrounded by defeated Kara puppets. The tension escalates when Garo, an Outer member of the Kara organization, arrives to retrieve Kawaki. This leads to a brutal and visually stunning confrontation between the two.