User blog comment:FairyRaven/Fairy Tail Chapter 425: Sabertooth X792, Review and Commentary/@comment-24039250-20150326034121/@comment-26239138-20150327114600

I thought the era of the dark guilds is over with the defeat of Tartarus. That one guy from Avatar said it. Avatar is a cult of Black Mages. And I think they're stronger than Tartarus.