Board Thread:Questions and Answers/@comment-26689387-20150718191827/@comment-26021614-20150719000911

Otherwise Griel lead is kinda important for this quest. Diana equally as well. Sub units I'd probably go with Kira Aaron Oguro / Lilith. Grahdens 6* friend is almost imperative.

But again you don't have sufficient cost for these units to be effective so I don't know...