Gon , who got separated from Killua , arrives and hits Hisoka in the face with his fishing rod before he could kill Leorio .
As expected , Leorio is beaten badly and knocked out by Hisoka .
Gon , who got separated from Killua , arrives and hits Hisoka in the face with Leorio 's fishing rod before he could Leorio Leorio .
As expected , Leorio is beaten badly and knocked out by Hisoka .