User blog comment:FairyRaven/Fairy Tail Chapter 305: Fairy Tactician, Review and Commentary/@comment-4999650-20121026151816

Hisui probably arrested them because she wants the Eclipse 2 to go swimmingly. I don't think she NEEDS Natsu and co, but just for them to stay out of her way. Plus, if Gray gets to face Rufus, then the other 4 members of Team Fairy Tail better get their own fight chapter :)