User blog comment:Death Goddess Raiden/*bows and falls out the window*/@comment-1192086-20160814011234/@comment-4133073-20160819195842

Huh. That just made me wonder why Typemoon hasn't done the John Dee thing yet, considering Xu Fu seems to exist already and he's even more obscure.

Btw, I think they actually have Ivan the Terrible as a canon Servant somewhere. I think in Grand Order? idk