User blog comment:Mnzombie/Issei's Peerage/@comment-121.219.254.24-20130214070442/@comment-1359322-20130214072745

Actually if you read Volume 14, you'll realize that Issei is quite reluctant to take Asia and Xenovia with him since it will make Rias' team weaker. But then again having Issei start a team of his own with new members might be fun. Well Issei might make Ravel his servant eventually.