Board Thread:Theories and Speculation/@comment-26358288-20150630121218/@comment-3568954-20150630211225

QuakingStar

a shinobi can tell if a person is holding back. he had to actually fight with his full ability at that time or Black and White Zetsu would have sensed that he wasn't fighting serious its just that he had an illness that made it to where he couldn't fight to his full potential