User blog comment:FairyRaven/Fairy Tail Chapter 413: Book of E.N.D., Review and Commentary/@comment-4829046-20141222153442/@comment-7418318-20141223141322

Sure revenge isn't for everyone, but I got the impression that it wasn't mandatory for the victim to watch... not until they agreed to the whole thing and the perpetrator was already in the "arena"... at that point it was pull through with it or pardon.