User blog comment:FairyRaven/Fairy Tail Chapter 371: Tartarus Arc, Part 2: Song Of The Heavenly Dragon, Review and Commentary/@comment-2214433-20140214095001/@comment-5598380-20140214095508

Well, Erza is used to being tortured before in the Tower of Heaven. And Erza is not completely fine, maybe pretending to be fine even though she's hurt.