This Substory can be gotten during Intermission 3, after completing the story bit and unlocking the ability to change your party. You will be required to use Gohan and it starts at Kami’s Lookout. Dende is looking to make some adjustments to the Hyperbolic Time Chamber and needs some ingredients. He needs some Phantom Sand, 2 Green Crystals and 2 Red Crystals. The Phantom Sand is unique, while the crystals are something you may already have, should you have done by mining. If you speak with Mr. Popo, he gives you some help in locating any Red/Green Crystals, if you don’t happen to have any in your possession.

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(1 of 3) You can typically find the crystals in caves behind Katchin Doors

Red Crystals can be found in the East Ravine and Central Plains Areas, while Green Crystals can be found in the Sacred Land of Korin. All of the mineral nodes are on the map, so head to each one in those regions until you get the needed items. When you travel to the region with the Phantom Sand (near Yamcha’s place), you see the marker will lead you straight to the purple orb. However, upon grabbing it, some robots will appear. Defeat all of them, then return to Kami’s Lookout and hand over the items to finish the substory.