This addon adds some of the items from the famous isekai anime ‘Kono Subarashii Sekai Ni Shukufuku Wo!‘ You can get to be Megumin and use her explosions, or Aqua with her undead-killing staff and her God Blow, or Yunyun using the fireball spell!
Installing the addon (MCPE):
1. Locate the addon file in your downloads folder.
2. Press the file. Minecraft should automatically do it and import the file after opening it.