Board Thread:Fourth Databook/@comment-24577388-20141105025614/@comment-5407586-20141105230335

Blaezej wrote: This is probably not the best place for this, but someone on Reddit figured that Kishi might be using Birthdays to choose the Chakra Element affinities... and while this is probably false, it does give us some insight. That's a very interesting idea. I guess Kishi didn't feel like thinking too much about what natures give to each one.