DB Multiverse

But a little over a hundred years ago, a horde of wizards, from the home planet of whoever originally created Boo, landed on Earth and tried to get their hands on all these creatures. Many of these beings were exterminated. The wizards were finally defeated.

There aren't even a hundred of those beings left now.

This is the famous wizarding war that Doryo was talking about…

But ..!

Kid ! You have a tail?