Fairy Tail S02 E21 Call of the Dragon

After saying goodbye to the Alliance the group returns to Fairy Tail, where Wendy and Carla get a warm welcome from their new guild. Erza encounters a mage with Requip magic similar to hers, while Gray tells Natsu that a woman named Daphne says that she met a dragon. When Natsu and Wendy go the Inn where she lives, they are caught in a trap arranged by Daphne. After trying to escape Gray suddenly comes in and challenges Natsu to their ultimate fight.