Talk:Kuroyuri (episode)/@comment-28171999-20170128224827/@comment-25405817-20170129234204

Simple: Ren's Semblance implies ABSOLUTE CONCEALMENT. Meaning that their shape, smell, noise or anything else that could tip off enemies of his or Nora's prescense is completely isolated from the rest of the world.

Simple enough, it is as if they aren't even there.