Hisoka , impressed with Gon 's progress , appears in Gon 's way afterwards and invites him to be his next opponent , to which Gon agrees .
After training tirelessly with Zushi and Wing , Gon and Killua defeat Riehvelt and Gido in their battles .
Hisoka , impressed with Gon 's progress , appears in Gon 's way afterwards and invites Gon to be his next opponent , to which Gon agrees .
After training tirelessly with Zushi and Wing , Gon and Killua defeat Riehvelt and Gido in their battles .