User blog comment:Jopjopjop/Volume 19 Spoilers/@comment-16281343-20141224124121/@comment-124.195.119.86-20141231184302

^Hmm, Jabberwocky, Bandersnatch, Tsubaki's SG and BB are originally from Through Looking Glass novel, the queen of heart (although it's king of heart in dxd) also exist in it. So if ishibumi also includes the vorpal sword then it will be a complete set of through looking glass