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.
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 Hunter X Hunter 2011 Episode 63
Biscuit (Bisky) introduces herself as a pro Hunter and reveals she was the master of their previous teacher, Wing. She decides to train the boys after realizing they lack the necessary discipline to survive the game. Bisky effortlessly defeats Binolt , a serial killer
Gon chooses to prolong the fight to maximize their learning. After ten days, Binolt concedes; Gon’s pure-hearted gratitude toward his would-be killer leads Binolt to peacefully surrender. Summary of Key Events Biscuit (Bisky) introduces herself
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
To continue their training, Bisky makes the boys travel 70 kilometers to the town of Masadora and back.