User blog comment:Mnzombie/Issei's Peerage/@comment-6096197-20131026175132/@comment-24098614-20140109223643

The only problem with your choice of Tiamat is that Issei would have to make a trade for her, and she is a very valuable piece, and I would make the trade right away but you have to give her master a something of equal value to offset his loss because she belongs to Mephisteles right now.