On this page of guide Dragon Ball Z Kakarot, find out how to complete thesub story The Generosity of Krillin.
Episode: Cell Saga - Episode 10
Condition: Complete the Funny Duo sub story
As Son Gohan, speak with Krillin on Master Roshi Island (pictures1and2).
After the scene, go to the Remote Southern Islands area, then reach the location of the cave (pictures3and4). Finally eliminate the robots to close this sub story (picture5).