On this page of guide Dragon Ball Z Kakarot, discover the complete progress of thesub story The Pride of the Warrior Race.
Episode: Frieza Saga - Episode 8
Condition: Collect the 7 Dragon Balls and ask to face Raditz again
To start this sub story, you must first collect the 7 Dragon Balls and ask to face Raditz again (picture1). Then go to the eastern ravine area and talk with Raditz (pictures2and3).
Defeat him again to complete this Sub Story (picture4), and obtain the Raditz Soul Emblem.