User blog comment:BlackWizardZeref/Fairy Tail Chapter 394: Juvia vs Keith Review/@comment-77.194.131.32-20140725125535/@comment-25244540-20140725130532

I agree, Mavis and Zeref's chat seemed to play a role in what you just said.

And the fact Keith lost because he was overconfident, already sending a message to the demons hopefully.