 While Kirin is special in that his Cyclopian third eye was open when he was born, very rare, if not completely unheard of, Kujaku does not a have a third eye, but is an O.P.T.At one point, Kirin attempted to stab his third eye in order to be normal and stop his jealous brother's hate toward him and his father, but the third eye can not be destroyed.So he cut his left eye out, blinding it, and leaving him with two working eyes