The Heavens Arena arc of Hunter x Hunter saw Gon and Killua push their limits and learn about the levels of power in their world. That arc explored the nature of Nen, and how Hunters can utilize it; with extremely deadly consequences. After their fights and tests in the 251 floors of the Arena, Gon and Killua finally head back to Gon’s home on Whale Island, his first time returning in over 7 months. From now on, the conflicts Gon and Killua face won’t be so straightforward. The Yorknew City Arc affirms what the stakes are for Gon and his friends in this world of Hunters, and how much they’ll have to grow in order to face them.