In Dragon Ball Z Kakarot you can find boulders that block caves. To complete the game with 100% you must find and destroy 10 of these boulders and unlock the following trophy:
More solutions and tips can be found in our trophy guide.
Boulders Locations - DBZ Kakarot
Some mineral deposits are blocked by boulders. These mineral deposits are marked on the map, but not all are blocked by a boulder. Just check them all. When you are close by, press L1 / LB to highlight purple boulders.
Then walk towards the boulder and press CIRCLE / B to destroy it. After the story you can still do this task, so you can't miss the trophy.