Board Thread:Speculation House/@comment-173.79.212.97-20130901230148/@comment-9090085-20131001201214

Sorairo wrote: Whoa...I didn't even notice that. There is indeed an extended portion of black skin that's not just speckles on the white snake. Well, if that really isn't an animation error, then I think that's proof that they're connected.

It would also fit with the name, "Taijitu" is the proper name for the yin-yang simbol, after all.