Harry Potter's Last Stand

You lumber into the library and she pulls her nose out of the book and says in a put on polite voice "Hello Hagrid, what are you doing up this late?"

You let out a dissatisfied chuckle and say, "Cut the shit little miss fuckface. I'm tired of all your 'Oh look at me I'm so smart and I'm friends with Harrycumbreath Potter' It is time for someone to show you your place."

She begins digging through her bag struggling to find her wand. What shall you do?