Hunter x Hunter - Season 2 - Eps 89: Compassion x And x Strength
As the battle with Knuckle begins, Gon is told that his Janken technique is fatally flawed - but Gon exploits this weakness, countering as his opponent tries to take advantage. Just as Gon is about to deal a finishing blow, he collapses from exhaustion. With the deadline the next day, the final showdown is looming. As Gon sleeps, Biscuit spars with Killua, after which she explains the nature of his own weakness. She issues an ultimatum - should he lose the next day's battle, he must leave Gon's side.
About Hunter x Hunter

Title: Hunter x Hunter
First Air Date: 2011-10-02
Last Air Date: 2014-09-23
Status: Ended
Rating: 8.661/10 (from 1886 votes)
Language: JA
Seasons: 3
Total Episodes: 148
Network: Nippon TV
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Madhouse, Nippon Television Network Corporation, VAP, Shueisha
Synopsis
To fulfill his dreams of becoming a legendary Hunter like his dad, a young boy must pass a rigorous examination and find his missing father.
Cast

Megumi Han
Gon (voice)

Mariya Ise
Killua (voice)

Issei Futamata
Narrator (voice)

Miyuki Sawashiro
Kurapika

Keiji Fujiwara
Leorio (voice)