Board Thread:News and Announcements/@comment-3309116-20131012164814/@comment-1447397-20131015065943

Found it. He said its already set in stone that Rohan wont appear in part 8 but ironically another manga artist will appear

http://imgur.com/TOVoNTT,5Tik1mD,8G5U3R8,SdZtwK1,07oOAHU#0