Board Thread:Versus Debates/@comment-45235418-20200316185119/@comment-32685487-20200401012220

He couldn't see Sasuke but instead could only see his chakra which Itachi comments is nearly empty, so really he could only hear Sasuke(Sasuke was too far from him). Itachi reacted to the Kirin, timed his Susanoo just right and did this while dying and near blind.