Then Hermione sprang to action. She flew forward, firing off every curse and spell she knew until she reached Harry's side. Several spells hit her, but the dress did its job and lessened the impact of them. Harry was getting hit more often, so Hermione could woman-up and deal with the blows she was receiving. Harry was duelling with six Death Eaters at once. So Hermione pinned her back to his, and took on the one's encroaching from the other side.