The Magic Council is having a meeting about the mysteriously-disappearing dark guilds when they're attacked by a powerful force, the harbinger of the Tartarus threat that will derail Fairy Tail's recent relative peace and quiet.
Powerful authority gives rise to anti-authority. 
That's the way of the world.
.السلطة القوية تخلق معارضة السلطة
تلك هي سنّة الحياة