Thread:ShonenChicoBoy/@comment-25456115-20150126135756/@comment-1493741-20150126153601

. The opposite of Reishi. It makes everything in the Human World, and the two don't mix well together. Which is why Reishi is far less plentiful in the Human World than it is in Hueco Mundo or Soul Society and is also the reason why people need spiritual bodies (And was a very minor plot point that Kisuke made pointless, as Kisuke does) to enter said spiritual worlds.