When the time is the attack the chimera ants was under attack and Gon and the others are team working to defeat the chimera ants but Gon leave without saying and then neferpitou follow Gon and neferpitou attack and Gon transform to adult form with nen and Gon get powerful he even get kill neferpitou but some thing happen when neferpitou'swas cut and then in her body there's a nen in her body and then gon's left arm was attack by neferpitou and killua is running using God's speed and
Gon fight with nen by jajanken and Gon die because he overwhelm his power by nen and killua see gon's explosion and Gon was in critical condition and he never get healed in doctors normal healing
