Some might have mistaken it for a storm front, rolling through, but she knew it was Dementors. She cast her Patronus, still mesmerized by the panther that jumped in front of her. While her Patronus was fighting Dementors, she saw a group of Death Eaters in masks approach on brooms. This time, Bellatrix had a whole team prepared to snatch Hermione, which complicated her plan. Without Bellatrix showing up, the Aurors and Harry couldn’t jump in or they would give away the trap.