She plays a vital role in the events of the story, including:
* Hunting Horcruxes: Hermione is instrumental in researching and finding the Horcruxes, using her vast knowledge and intelligence.
* Supporting Harry and Ron: She provides emotional support, strategic thinking, and magical assistance throughout their dangerous quest.
* Facing Personal Challenges: Hermione experiences significant emotional and personal growth during the story, facing her own fears and making difficult decisions.
It's impossible to imagine *Harry Potter and the Deathly Hallows* without Hermione's presence and contributions.