Equipments

Treasures, Pills, Weapons, Talismans, Inscriptions, materials, herbs, In short, every art and their ingredients are divided into the 18 levels. A Level 1 world would have Level 1 treasures and arts at most. There might even be one or two Level 2 treasure. All depends on one's luck.

Is the Neutral system considered as equipment?
Technically Yes!. It should be. Other than all the great abilities it has It can open the internal dimension that's smaller than a world. And Zhong Xing can store his equipment in there.