Arc 30The Head Boy and the Spies
Will helped Dumbledore manage Draco’s secret mission while pursuing his own magical research and responsibilities at Hogwarts. The arc ended with Will preparing to investigate a missing Howard family operative in America as Dumbledore learned that Death Eaters were targeting Invisibility Cloak makers.
- Will returned to Hogwarts, met Slughorn, and learned that Snape would teach Defense Against the Dark Arts while Aurors guarded the school.
- Draco told Will that Voldemort had ordered him to watch Snape, and Will brought Draco and the Surveillance Device to Dumbledore.
- Will began studying nonverbal spells and potions, helped Draco win Felix Felicis, and later promised to help restore the Malfoy family’s reputation.
- Will told the High Tower that Draco was forbidden to enter, while secretly directing Draco to pose as an outcast and identify students sympathetic to Voldemort.
- Dumbledore asked Will to guard Hogwarts and continue working on Horcruxes, while Will agreed to share his potion-derived spells with the Order of the Phoenix.
- Will accepted the Head Boy position for Slytherin, then Dumbledore appointed Draco Head Boy and Hermione Head Girl.
- Will gave Draco Origin Spell materials and urged him to master them and use duels to earn respect among Slytherins.
- Will investigated photographs of a missing Howard family operative in Connecticut, while Moody reported that Death Eaters were attacking Invisibility Cloak makers and seeking permanent cloaks.