Kurapika with Leorio is still investigating the death of his clan and unexpectedly one day they saw one his clan, named Pyro, who was also his blind best friend, playing a harp along side of the road. Anxious to meet him, he talked to him but unexpectedly, Pyro use an unknown power which took Kurapika's eyes. 

Having no eyes kept him from using his power, Leorio contacted Gon and Killua to help bring back Kurapika's eyes and uncover the mysteries surrounding the survival of one of Kurapika's clan.