User blog comment:FairyRaven/Fairy Tail Chapter 328: Zodiac, Review and Commentary/@comment-203.87.139.100-20130422103009/@comment-15267891-20130422111514

They already changed a part of the future. Future Lucy said that the Eclipse gate opened while they are still in the castle trying to escape. Future Rogue is not yet around then. Future Lucy fulfilled her role as a messenger from the future before dying. They avoided the worst future where 10000 dragons arrived and cut it down to only seven.