Quote Originally Posted by ASSpirine
Fuujin no jutsu or something
One thing I'm sure, it's a five part seal
I don't really remember the importance of it being an odd or even number
There is no significance here, with Naruto the seal placed by the fourth was an even seal so an odd one screwed up the flow of chakara. Since Sora doesn't have a seal to begin with (at least he better not...) it shouldn't cause him to be out of wack like it did with Naruto.