"Shadows of Deception"

Prompt: astra solace is a 16 year old legillimens who is going to hogwarts joining the class of sixth years to join draco malfoy in completeing the task of murdering dumbledore , she comes to the school and is admired by most besides pansy bc shes jealous and draco because she hates him because of unresolved tension from the past summer when they both got marked for the task and became close but sometbing happened that causes astra to no longer trust and dislike draco they have to try to murder dumbledore using various methods that are canonical to harry potter and the half blood prince like the necklace or the cabinet that draco must mend to make an entryway for death eaters into the school it alternates from dracos pov, to astras pov, then back and forth first person persepctive