User blog comment:FairyRaven/Fairy Tail Chapter 349: The Demon Doriate, Review and Commentary/@comment-4489126-20130830134804/@comment-5268982-20130830142949

Challenge accepted (⌐■_■) May come up with more later, so be prepared to lose the bet >:D
 * Erza vs. 100 Pandemonium monsters
 * Erza vs. Lisanna & Juvia at the S-class exam
 * Erza vs. Jose Porla(before Makarov appears)
 * Erza vs. Natsu (before the council comes to arrest her)
 * Erza vs. Ikaruga
 * Erza vs. Jenny Realight
 * Erza vs. Jellal