Meanwhile , Killua leaves the game temporarily to take the Hunter Exam .
After hearing Biscuit 's lecture on rock - paper - scissors , Gon decides to work on a special technique modeled on rock - paper - scissors by using Enhancer , Emitter , and Transmuter abilities .
Killua leaves the game temporarily to take the Hunter Exam .
After hearing Biscuit 's lecture on rock - paper - scissors , Gon decides to work on a special technique modeled on rock - paper - scissors by using Enhancer , Emitter , and Transmuter abilities .