Hunter x Hunter is easily one of the best TV series that has consistently brought its tone to its A game, and episode 116 is easily one of its best. For 20 minutes, this episode does an absolutely phenomenal job at building tension through Gon's confrontation with Neferpitou. It uses every single aspect of anime to its absolute best, and I love that this episode limits itself only to the confrontation.
As expected from Madhouse, the animation is wonderful. Megumi Han's performance as Gon for this episode was genuinely fantastic, she perfectly captures Gon's anger and despair. The editing is perfect, it made the visualizations' sense of flow even more perfected than the last few episodes. The interactions between the three characters are easily the best parts of the episode, I don't recall feeling so many shivers and dropping so many tears for a while.
This episode is the best outcome for the continuation of events, watch the anime and form your opinion on it.