Back to the Future 1999 consumable materials are used to improve the character's abilities. A total of fifteen consumable materials are provided to everyone, but everyone's understanding of them is not comprehensive enough, because there are still some that you have not obtained yet, so today I will introduce them to you. The editor will give you a comprehensive explanation of these fifteen consumable materials so that you can have a better understanding of them. Let’s take a look at the details.
