Obtained: Speak to Mr. Satan at his home in Satan City during the post game as Gohan. You will need to have completed Mr. Satan’s previous sub stories to unlock this one.
Objective: Help Mr. Satan
Head to Satan City to find Mr. Satan at him home. Speak with him to find out that Buu is super hungry and agree to help. To do this, you will need to catch a Big Fish. It can be found at the fishing hole near Yamcha’s Hideout. Return to Mr. Satan with the fish to have him prepare it for Buu. Buu will eat it, but complain about still being hungry. Gohan decides to call in the big guns to cook him a big meal. Help her by gathering 4 Prime Marbled Dino Meat, 3 Shiny Rice and 1 Premium Gold Venison. The Dino Meat can be found on dinosaur near Yamcha’s Hideout. You can find the Gold Venison east of Goku’s House at the base of the waterfall near Gohan’s shrine. If you don’t have any rice, you can buy some from the food market vendor in Satan City. Return to Chi-Chi with all the ingredients to get her to cook the full-course meal. This will trigger a cutscene completing the story.