User blog comment:B214/Volume 23 discussion blog/@comment-185.112.105.215-20170428113130

Why Vatican Headquarters and Grigori want Lint Sellzen join to Rias' Peerage is because Achievements's Rias and her Peerage, we know that Achievements is never happen without Issei , I think They believe Rias important factor  Existence for the Achievements. Rias and the rest team count on Issei always. but the Question they can make Achievements Similar achievements issei did, It does not depend on the strength but on the effect and how to motivate the team to offer their best potential and look at the current Rias team similar to the Sona team somehow.