Addon was updated, drop rates were changed a bit, now it's harder to get really valuable items and explosions happen quite often. I advise you to destroy them from the distance, using a bow - it will make the process of testing your luck much safer.
Crafting recipe
Video:
How to install addons:
- Download addon straight from your device
- Find and open .mcpack or .mcworld files that you download earlier
- Click it to import into Minecraft Pocket Edition
- Open the game
- Create a new world or edit an existing world
- Scroll down to Add-ons section and select the ones you want to apply
- Make sure to enable "Experimental" game features in the world settings