User blog comment:B214/Volume 21 info & spoilers/@comment-88.72.252.205-20160130213104/@comment-26821288-20160130213727

You know that these are rumors, don't you? Volume 21 will be released in March, which is two months from now. Thus, no one really knows what will be in Volume 21 just yet. Although, the author did say few things, which are written above.

