Recaps

Harry survived the ambush on his way to the hearing and returned to Hogwarts, where Umbridge began undermining Dumbledore and targeting Lupin. Will resisted Umbridge, pursued a possible werewolf cure, and received a warning from Grindelwald’s vision about his and Harry’s future.

• Harry drove off two Dementors with a Patronus, and Mrs. Figg revealed that Dumbledore had assigned her to watch over him.
• Will passed Harry’s travel plans to Lucius as part of Dumbledore’s trap, then helped Draco join the Death Eaters’ ambush on the Order.
• The Order fought off the attackers while Harry escaped with Moody, and Will rescued Yaxley before Voldemort questioned him about the failed operation.
• Harry won his hearing and returned to Hogwarts, where Umbridge arrived as the new History of Magic professor and began enforcing Ministry decrees.
• Dumbledore explained that Will had become a Prefect partly at Grindelwald’s request, and Umbridge later asked Will to help remove Lupin from Hogwarts.
• Will uncovered Umbridge’s plan to provoke Lupin, altered her memories, and told Dumbledore he believed he could cure lycanthropy through experiments.
• Dumbledore allowed Will to conduct necessary trials on violent werewolves, while Snape agreed to investigate werewolves among the Death Eaters and review Will’s potions.
• Grindelwald showed Will a vision of a silver-gray-eyed figure beside a green-eyed figure, which Dumbledore identified as Will and Harry, and Will returned to Hogwarts focused on his experiments and school duties.

Will expanded the High Tower, investigated werewolf magic through dangerous experiments, and planned to force Umbridge out of Hogwarts. Harry saw Snape’s memories of James and Will, leaving him troubled and prompting Dumbledore to stress the importance of Occlumency.

• Will unveiled the High Tower’s new floors and meeting room, and its members approved Astoria Greengrass, Justin Finch-Fletchley, Terry Brown, and Cho Chang while rejecting Colin Creevey.
• Draco told Will that the Greengrass family was helping Voldemort’s followers plan an operation, and Will agreed to investigate while advising Draco to study healing magic.
• Umbridge began inspecting classes and challenged McGonagall and Lupin, while Will taught students and Lupin led practical combat training.
• Will captured werewolves and experimented on their memories and magic, eventually finding that Sectumsempra enhanced with Soul Annihilation could cut a magical structure.
• After Harry dreamed of Voldemort and a snake, Dumbledore asked Will to determine whether the snake was a Horcrux, and Will suspected it was Nagini.
• Will told Hermione to expose Umbridge’s use of Dark Magic on Harry, received Voldemort’s orders through Draco, and used an improved curse to isolate werewolf venom magic without cutting it away.
• Harry entered Snape’s Pensieve and saw James and Sirius bully Snape, then watched Snape pull him from a memory involving Will and warn that Will’s path could lead to death.
• Dumbledore confirmed James had bullied Snape but later changed, arranged Occlumency lessons for Harry, and warned Will that Harry might reveal what he had seen, and Will declined to mend Harry and Snape’s relationship.

Will helped Lupin undergo a painful procedure to remove his werewolf form before Umbridge could expose him. Umbridge’s false accusation collapsed, but Will then confronted the departing Ministry officials and reporters with his strange multiplying magic.

• Umbridge caused a classroom panic with fake fire, then used a new educational decree to restrict lessons and target Lupin.
• Will threatened Umbridge into leaving him alone and experimented on werewolves, developing a procedure that removed their wolf form at a cost to their bodies and magic.
• Dumbledore and Will learned Umbridge planned to expose Lupin, and Lupin agreed to undergo Will’s procedure during the next full moon.
• Umbridge pressured Susan Bones into accusing Lupin, then brought Fudge, Ministry officials, and reporters to Hogwarts to arrest him.
• Will completed the procedure, and Lupin appeared unchanged by the moonlight as Susan showed that her arm bore no bite marks.
• Dumbledore and McGonagall convinced Fudge that Umbridge was unfit to teach, and Fudge left Hogwarts with the Ministry party and reporters.
• Will confronted the departing group, multiplied after being struck by Killing Curses, and transformed Scrimgeour and most of the reporters into animals.
• Will put the group to sleep and altered their memories, while Lupin told Dumbledore he still chose the reversal and asked him to help Will.

Will infiltrated the Death Eaters’ failed attack on Azkaban, captured Bellatrix, and gave Voldemort the Lestranges’ medicinal herb trade while learning that a spy was among the Death Eaters. Back at Hogwarts, he pursued his Happiness Potion research, helped Hagrid build Grawp a home, and went with Dumbledore to meet Grindelwald.

• Snape accepted that Lupin was no longer a werewolf but admitted he resented Lupin’s new life, while Will began considering a gift to advance Snape’s research.
• Will studied Snape’s Water of Despair potion, then left Hogwarts for Christmas and joined Lucius Malfoy’s Death Eaters at Malfoy Manor.
• Will accompanied the Death Eaters in their attack on Azkaban, secretly helped them escape when Aurors overwhelmed them, and captured Bellatrix before she could return to Voldemort.
• Will reported that he had escaped Azkaban and gave Voldemort the Lestranges’ medicinal herb business, after which Voldemort warned him that a spy was among the Death Eaters.
• Will told Dumbledore and Snape about Voldemort’s soul-study materials, and Dumbledore allowed him to keep his laboratory open so he could develop a Happiness Potion.
• Hagrid revealed that the giant in the Forbidden Forest was his brother Grawp, and Will agreed to build him a concealed home after knocking him unconscious.
• Will experimented on Bellatrix with the Water of Despair and studied the magical structure forming in her brain as he worked toward a Happiness Potion.
• Will built and enchanted a spacious home for Grawp, then accompanied Dumbledore to meet Grindelwald, who asked to discuss the power of the mind.