Gon's triumph is short-lived; immediately after his success, he is paralyzed by a poisoned needle from another applicant, Geretta, who steals both Gon's and Hisoka's tags.
The episode follows Gon's high-stakes surveillance of Hisoka, who is tracking Leorio and Kurapika. Gon patiently waits for the perfect moment when Hisoka is most vulnerable—specifically when he is focused on attacking his own prey. Hunter X Hunter Episode 16
Hunter x Hunter Episode 16 Recap: “Defeat x And x Disgrace” Gon's triumph is short-lived; immediately after his success,
After Hisoka leaves, Gon continues his pursuit. He eventually strikes when Hisoka is overwhelmed by an intense bloodlust, successfully snatching the ID tag with his fishing rod while Hisoka is distracted by a sudden kill. Hunter x Hunter Episode 16 Recap: “Defeat x
Further established as a terrifying and unpredictable force who views Gon as "prey" he wants to let ripen before the final hunt.