Credits: IGORYANYCH_
Items rarity grades:
- Legendary
- Epic
- Rare
- Ordinary

How to install addons:
- Download addon into your device
- Find and open .mcpack or .mcworld files that you download earlier
- Click on it to import into Minecraft Pocket Edition
- Open the game
- Create new or edit an existing world
- Scroll down to Add-ons section and select the ones you want to apply