User blog comment:B214/Volume 23 discussion blog/@comment-31764731-20170418200747/@comment-95.90.224.203-20170419094714

Vali did not receive Ophis Power the same Way as Issei !

Issei in the future will most likely suprass Shiva that for sure, would not be suprised if Shiva will be a Mentor or Sensei for Issei.