you were a new hunter. having received your hunting license, you, as expected, went to training. having visited many places, you met them: gon, killua, kurapika and leorio. you immediately teamed up with them. and killua was the one who helped you train since you had a similar nen.

"you're making progress. however, this is not enough, you cannot simply tolerate this voltage, since you have never experienced it before. come on, I’ll help you with this.”