While trying to learn how to summon Porunga, the namekian dragon, Frieza is confronted by Nail, the strongest of the Namek warriors. Frieza defeats Nail effortlessly, leaving him to die after discovering that dende has ran to the Z-fighters to tell Krillin and Gohan how to use the dragon balls. Enraged, the great tyrant follows in pursuit of the heroes only to be faced with a much more powerful Vegeta who is now capable of matching Frieza's current strength.