User blog comment:FairyRaven/Fairy Tail Chapter 391: Gray vs. Silver, Review and Commentary/@comment-87.112.175.111-20140704214036/@comment-24066070-20140705121530

Deliora was believed to be dead by the Wizard World, so if by any chance rumours start to spread that Deliora did something or went somewhere, it could draw unwanted attention to Tartaros and put the MC in a far higher state of alert.