Goku continues to humiliate Nappa, until Vegeta tells him to give up. Nappa then moves in to attack Gohan and Krillin, but Goku uses his Kaio-ken and plows into Nappa, critically injuring the Saiyan. Enraged at his partner's weakness, Vegeta kills the weakened Nappa. Goku and Vegeta then begin to fight.