User blog comment:FairyRaven/Fairy Tail Chapter 363: The Stories That Demons Read, Review and Commentary/@comment-4489126-20131206120149/@comment-7418318-20131206132600

But if she ended up using a curse different than her magic, it might make for a more dramatic situation.

Erza fights this new, unknown Demon and when she starts to overpower it, the Demon suddenly starts using Terretory Magic. Erza starts to hesitate and sooner or later Minerva's true identity is revealed (starting the nakama speech -_-) to every onlooker's (except us readers -_-) great surprise.