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.
their parent guild, Tatarus, could have 
taken over their children guilds, no?
لعلّ نقابتهم الأمّ تارتاروس قد استولت
على نقاباتها الفرعية، أليس كذلك؟