Board Thread:Theories and Speculation/@comment-31512236-20170815153944/@comment-31512236-20170815170840

Those eyes have pigmentation, whether greatly extended or not. Just like the lack of pigment is a sign of Six Paths Mode or regular Kurama mode, the Truth Seekers are a surefire sign of Rikoudo mode. See the first picture, he has a thin orange pigmentation around his eye, and in exactly the shape of Sage Mode.