: The episode highlights the toxic control the Zoldyck family has over Killua, setting the stage for the Zoldyck Family Arc .
: After getting the location of the Zoldyck family estate (Kukuroo Mountain) from Illumi, Gon, Leorio, and Kurapika set off to bring Killua back. Hunter x Hunter 2011 (Dub) Episode 21
: Gon interrupts the Hunter orientation to confront Illumi for manipulating Killua. He famously grabs Illumi’s arm and breaks it, declaring that he will rescue Killua and never let Illumi see him again. : The episode highlights the toxic control the