Hisoka Morow is a serial killer who combines his magic tricks with violence, being aroused by battling those he considers strong. Hisoka took an interest in Gon since first meeting him during the Hunter Exam, letting him and his friends live so that they grow into more worthy opponents while helping them for his own benefit. Hisoka also infiltrated the Phantom Troupe for chance to fight their leader Chrollo Lucilfer, aiding the Phantom Troupe restore Chrollo's Nen ability for his benefit. But after temporary killed fighting Chrollo in Heavens Arena, Hisoka revives himself and goes on a killing rampage against the Phantom Troupe. Hisoka's Nen affinity is Transmution, most often uses his ability "Elastic Love - Bungee Gum" make his aura elastic and sticky like gum.