User blog comment:SDPanthera/Fairy Tail Chapter 415 Review & Other Thoughts/@comment-123.2.147.192-20150112224933/@comment-7418318-20150112230033

I seriously doubt that Fairy Tail would just end without anyone knowing about it far more than one week before.

Since we didn't get such a message and the next chapter is the last of the arc, it's going to get at the very least one more arc for sure. Likely more than one.