Recaps

Regulus confronted Bellatrix at the Lestrange family banquet after she challenged his protection of two Half-bloods, and their duel destroyed the manor before Voldemort arrived. Regulus survived Voldemort’s scrutiny and left with the Black family, then resolved to explore the darkness within himself while Lily waited for a Christmas message from the Blacks.

• Regulus attended the Lestrange Christmas banquet with Sirius and watched Bellatrix rally the guests to her Pureblood cause, concluding that Voldemort’s first public move was less than two years away.
• Regulus confronted the Lestranges over Rababstan using Veritaserum on two of his people, and Sirius beat Rababstan before Regulus and Bellatrix began a duel.
• Regulus outmaneuvered Bellatrix through their duel, then provoked her into unleashing Black Mist and Dark Arts until he used Dark Enlightenment to defeat her.
• Regulus released Fiendfyre across Lestrange Manor as Voldemort arrived, and Voldemort probed Regulus’s mind before allowing him to deal with Bellatrix as he wished.
• Voldemort took Bellatrix away alive, and Regulus extinguished the Fiendfyre after deciding to leave the manor in ruins as a warning.
• Regulus returned to Grimmauld Place with the Black family and reflected on Voldemort, resolving to cultivate a dark power of his own and investigate whether he could transcend dependence on his wand.
• Lily opened her Christmas gifts and waited for an expected owl from the Black family, while Mr. Evans realized she was waiting for news from a boy.

Regulus developed Quassare from the Whomping Willow’s oscillations, shattered an offshore island, and began exploring how to extend the spell’s destructive reach. In Cornwall he also grafted a Salamander’s Fire Affinity onto Baruk, then returned to Grimmauld Place and began explaining his discoveries to Orion.

• Lily gave the black kitten Regulus sent to Petunia, helping the sisters share a moment of connection, while Snape left two offers for selling his potions unanswered.
• After rumors spread that Regulus had defeated Bellatrix, Orion faced a wave of political inquiries as Regulus chose to focus on magic and traveled to Cornwall.
• Regulus studied a Whomping Willow’s Magic Circuit, recreated its internal vibrations as Basic Oscillation, and developed the Disintegration Charm Quassare.
• Regulus cast Quassare at a granite island and shattered it, then theorized that Chain Conduction could carry the destruction onward through fractured material.
• Regulus revived the drained Whomping Willow with Natural Magic and grafted a Salamander Magic Seed onto Baruk, giving the Acromantula Fire Affinity.
• Back at Grimmauld Place, Sirius chose to pursue Transfiguration and prepare to become an Animagus, while Walburga asked Regulus about his work in Cornwall.
• Regulus told Orion that Quassare drilled Magic Power into targets and shattered them from within, then named Cognitive Convergence as the spell’s second threshold.

Regulus developed the Disintegration Charm and his spatial magic while building influence at Hogwarts and helping a Whomping Willow recover. The stretch ended with unrest growing beyond the school as Regulus secretly approached Sirius and Eleanor Bones in a greenhouse.

• Regulus learned from Orion that the Disintegration Charm could theoretically reach catastrophic scale, then explored how the Philosopher’s Stone might fuel a chain reaction.
• Regulus returned to Hogwarts, where he managed Slytherin’s social circle, trained Hermes, Avery, and Alex, and reflected on the danger of Voldemort’s influence.
• Regulus discussed Voldemort’s altered appearance with Slughorn and considered how soul magic might explain the changes.
• Regulus worked with Professor Sprout to examine a damaged Whomping Willow, then tested his Starry Sky Kite and opened spatial channels outside Hogwarts.
• Regulus flew above the clouds using a redesigned Fiendfyre device, while Professor Sprout diagnosed the Willow’s damaged Magic Circuit and moved it to Hogwarts.
• Regulus found that the Willow had grown new circuits from his Natural Magic Power and begun to recognize him, prompting him to consider cultivating a responsive ecosystem.
• Regulus discovered that Hogwarts rejected his attempt to create a Spatial Channel inside its boundaries, and McGonagall told him Dumbledore had left him a way to find him.
• As political and economic troubles worsened outside Hogwarts and extremist talk resurfaced among Slytherins, Regulus secretly approached Sirius and Eleanor Bones while they worked near Mandrakes.

After Pollux Black’s funeral, Regulus accompanied Lucius to confront Greyback and investigated the divided mind of a werewolf, helping Edgar Tomlin prepare to resist his transformations. Regulus learned that Voldemort was gathering forces for a coming war and returned to Hogwarts resolved to pursue his ideas about light and darkness.

• Regulus learned of Pollux Black’s death, attended his funeral with Sirius, and received Lucius’s request to help rein in Greyback.
• Regulus agreed to travel with Lucius, then told Orion he intended to study Greyback’s mind and Magic Power.
• At Greyback’s village, Regulus used the auras of Fiendfyre and other threats to expose the werewolves’ instincts, then found that Greyback’s beastly nature had pushed his humanity into withdrawal.
• Regulus met Edgar Tomlin, a young werewolf who feared harming his family, and anchored Edgar’s resolve in his mind with Bellatrix’s Guardian Image.
• Greyback reluctantly accepted Voldemort’s orders, and Regulus burned the village’s filth with Fiendfyre while sparing the werewolves.
• At Malfoy Manor, Regulus studied Saiph and decided the Rowle family could be his next target as he pursued its awakening.
• Lucius told Regulus that Voldemort’s followers were gathering forces and infiltrating the Ministry, and Regulus judged that war was approaching before deciding to tell Dumbledore about Greyback’s pack.
• Regulus returned to Hogwarts after Walburga and Orion supported his plans, while Baruk claimed the land outside the Forbidden Forest as his territory.