In episode 63 of the 2011 anime, titled Gon and Killua officially begin their grueling training under Biscuit Krueger during the Greed Island arc . Summary of Key Events
Witness the start of Bisky's intense training and the boys' development in these episode highlights: BINOLT!! | Hunter X Hunter Ep. 63 REACTION & REVIEW!! YouTube · BOLDcast Hunter X Hunter 2011 Episode 63
During a task where they must dig through rocks to make a straight path to Masadora, Gon and Killua learn Shu —a Nen technique that extends one's aura into an object to make it an extension of their body. In episode 63 of the 2011 anime, titled
Bisky effortlessly defeats Binolt , a serial killer stalking them, and turns him into a "training puppet". She gives Gon and Killua two weeks to defeat him or face her punishment. 63 REACTION & REVIEW