They face off against various monsters, including cyclops and a giant lizard, but their lack of experience with the island's specific threats begins to show. The Arrival of Biscuit Krueger

In episode 62 of Hunter x Hunter (2011) , titled "," Gon and Killua dive deeper into the dangerous and surprisingly intricate world of Greed Island. This episode marks a major turning point in the arc, shifting from curiosity about the "game" to the harsh realization of its lethal reality and the introduction of a legendary mentor. The Rock-Paper-Scissors Tournament

However, after watching them struggle against a Nen-controlled suit of armor and waste their potential, she can't hold back anymore. Bisky reveals she is a 57-year-old Pro Hunter with 40 years of Nen experience and declares herself their new mentor. According to Hunterpedia , this marks the beginning of the intense training that will transform Gon and Killua's Nen abilities.