Chapter Summaries

Amosta, Sirius, and Remus celebrated their reunion with dinner at Grimmauld Place, then uncovered valuables Kreacher had hidden. When Amosta picked up a golden locket, his expression changed and he offered eight thousand for it.

• Sirius thanked Amosta for helping him enter Hogwarts and for giving him an idea about his situation.
• Remus suggested a celebratory dinner, and Amosta used magic to prepare the meal while Sirius searched for whisky.
• Over dinner, Sirius and Remus reminisced about school, and Sirius looked forward to inviting Harry to Grimmauld Place and attending the Quidditch World Cup with him.
• After Kreacher ignored Sirius's calls, Amosta opened the cupboard where Kreacher slept and revealed a pile of hidden possessions.
• Amosta and Remus identified valuable Black family antiques, then Amosta picked up a golden locket and offered eight thousand for it.

Amosta recognized the golden locket as an object of great importance to Voldemort and questioned Sirius about his brother Regulus's death. Kreacher recognized the locket as Master Regulus's and attacked Amosta to stop anyone from taking it.

• Amosta told Sirius and Remus that the locket was worth eight thousand Gold Galleons, then asked whether anyone in the Black family had worked for Voldemort.
• Sirius revealed that his brother Regulus had been a Death Eater, and Remus explained that Sirius believed Voldemort had killed him for trying to leave.
• Amosta said Voldemort would have killed the Black family to recover the locket if Regulus had merely been killed for wanting to quit.
• Sirius said Kreacher had been closer to Regulus, so Amosta used a spell to pull Kreacher into the kitchen.
• Kreacher recognized the locket as Master Regulus's and leaped at Amosta, shouting that he would not let anyone take it.

Kreacher revealed how Regulus Black helped Voldemort hide the locket and died retrieving it, while failing to destroy the Horcrux. Sirius was devastated by the truth, and Amosta recognized runes on the locket similar to those on Ravenclaw’s Diadem.

• Kreacher tried to beat himself with a hot poker after seeing Regulus’s locket, and Sirius restrained him and ordered him to explain what he knew.
• Kreacher recounted that Regulus had joined Voldemort’s organization and later offered Kreacher to Voldemort for an unknown task.
• Kreacher explained that Regulus gave him a matching locket and ordered him to switch it with Voldemort’s locket in the cave, then destroy the original.
• Kreacher said he watched Regulus get dragged beneath the water and later failed to damage the locket despite trying many methods.
• Amosta noticed runes on the locket resembling those on Ravenclaw’s Diadem, while Sirius angrily demanded to know why Kreacher had not told him about Regulus’s death.

After learning how Regulus died protecting the locket, Sirius insisted on retrieving his brother’s body from Voldemort’s cavern. Amosta agreed to help, and the group prepared to travel there separately because Kreacher could not transport him.

• Remus asked Amosta about the locket, but Amosta pocketed it and warned that its magic could corrupt anyone who kept it nearby.
• Sirius demanded the locket so he could destroy it, but Amosta said he would handle that later and assured Kreacher he would destroy it.
• Remus urged them to notify Albus, while Sirius insisted on bringing Regulus’s body home without delay.
• Amosta agreed to accompany Sirius and said he wanted to examine Voldemort’s cavern and assess his strength.
• Kreacher said it was afraid it could not transport Amosta because his magic was too powerful, so Amosta told Sirius and Remus to go ahead while he Apparated using an anchor point he had set.

Amosta, Sirius, Remus, and Kreacher reached the sea cave where Voldemort had hidden the locket, braving the freezing submerged passage. Amosta identified the magical doorway blocking their way and learned it required blood to open, then suspected Voldemort had prepared further defenses beyond it.

• Amosta noticed unnatural magic in the cliff and had Kreacher Apparate into the cave while he led Sirius and Remus through the icy sea.
• Sirius rescued the struggling Remus as the group swam through the submerged, narrow passage to the cave.
• Amosta examined a rock wall and recognized it as a magical barrier powered by spatial magic.
• Amosta deduced that blood was needed to open the barrier, and Kreacher explained the method it knew.
• Sirius offered his blood, opening a glowing doorway, and Amosta warned that Voldemort likely had more safeguards beyond it.

Amosta, Sirius, Remus, and Kreacher entered the cavern beneath the mountain to reach Voldemort’s locket, where Amosta sensed thousands of Inferi in the black lake. After finding the hidden boat, Amosta and Remus set off with Sirius transformed into Lenny, leaving them sailing toward the island.

• Amosta led Sirius, Remus, and Kreacher to the black lake and sensed its powerful protections and countless Muggle Inferi beneath the water.
• Kreacher told Sirius that Regulus had been dragged under by Inferi near the island, and Sirius tried to rush into the lake before Remus stopped him.
• Amosta asked Kreacher to locate the boat, but Kreacher forgot its exact position and began punishing itself until Remus intervened.
• Amosta found the boat’s hidden chain and pulled the small vessel from the lake, then deduced how its magical capacity limited its passengers.
• Amosta transformed Sirius into Lenny, Remus boarded with him, and the boat began sailing toward the island.

Amosta, Sirius, Remus, and Kreacher reached the island in the lake and found Voldemort’s Stone basin. Amosta described ways to empty it, then agreed to search for Regulus’s body while leaving Sirius and Remus to fend off the Inferi.

• The boat carried Amosta, Sirius, Remus, and Kreacher across the lake to the island, where they found the Stone basin filled with green liquid.
• Sirius asked Amosta to retrieve Regulus’s fake locket, while Remus warned him about the dangerous potion in the basin.
• Amosta explained that they could drain the basin by drinking its contents or by exhausting the cave’s magic, which risked collapsing the mountain.
• Sirius urged Amosta to find Regulus first, and Kreacher pointed out where the Inferi had dragged him underwater.
• Amosta told Sirius and Remus to defend themselves against the Inferi while he searched for Regulus.

Amosta slowed the magic around the island as Sirius, Remus, and Kreacher fought off the Inferi swarming from the lake. Kreacher found Regulus among the dead, and Sirius and Kreacher brought him to the island, where Sirius broke down in grief.

• Amosta awakened hundreds of Inferi in the lake, and Sirius, Remus, and Kreacher fought to hold them back.
• Sirius and Remus struggled against the advancing Inferi while searching for Regulus.
• A dead Erumpent burst from the lake, and Sirius called on Amosta for help.
• Amosta disrupted the flow of magic, slowing the Inferi and the Erumpent while warning that maintaining the effect drained him.
• Kreacher spotted Regulus among the Inferi, and Sirius and Kreacher rushed into the lake to bring him to the island.
• Sirius knelt beside Regulus and apologized through tears while Kreacher wailed over him.

Amosta freed Regulus’s soul, then fought Voldemort’s magic as the cavern’s Inferi and lake threatened to overwhelm the group. He shattered the protections around the basin, secured the locket, and opened a way out just as the cave began to collapse.

• Regulus’s Inferius attacked Sirius and Kreacher, and Amosta blocked the Dark Magic animating him so his soul could rest.
• Sirius grieved for Regulus, James, and Lily, while Remus restrained him and warned Amosta that destroying the Inferi might cause the mountain to collapse.
• Amosta unleashed Fiendfyre and his magic against Voldemort’s defenses, as the lake surged and the island cracked beneath the advancing Inferi.
• Remus warned that the cave was failing, and Amosta split the Stone basin so Sirius could take the locket.
• Amosta shattered Voldemort’s magic and cleared a spherical path through the cavern, then ordered the group to escape.

Sirius and Remus discussed Regulus’s death and the power Amosta had displayed while destroying the cave, then Sirius planned to clear Regulus’s name with a funeral. Amosta studied the recovered Horcrux locket and considered how much to charge Dumbledore before someone knocked at his door.

• Sirius joined Remus for breakfast, and they discussed Amosta’s immense power and the possibility that Voldemort had never revealed his full strength.
• Sirius said he would hold Regulus’s funeral after clearing his own name and invite Order of the Phoenix members to honor Regulus as a hero.
• Remus told Sirius that Dumbledore had given him a way to make contact and that he would report Peter and the previous night’s events when Dumbledore returned.
• Amosta studied the Ancient Runes on Regulus’s locket but could not decipher them, and he decided to ask Professor Babbling for help.
• Amosta chose not to destroy the Horcrux yet because he intended to charge Dumbledore for it, then someone knocked on his guest-room door.

Amosta agreed to attend Regulus's funeral, then learned from Sirius that a stone pillar resembling one from Stonehenge's album stood among the ruins at Azkaban. The discovery gave Amosta an unexpected lead connected to the missing pillars and the Avalon ruins.

• Sirius thanked Amosta for helping free the Muggles and find Regulus, then invited him to Regulus's funeral, which Amosta accepted.
• Amosta discarded an old souvenir album from his trip to Stonehenge while packing away his research materials.
• Sirius recognized the pillars pictured on the album and told Amosta he had seen one at Azkaban.
• Sirius described how a pillar stood among seaside ruins that surfaced from beneath the water at the edge of Azkaban.

Amosta connected the Azkaban stone pillar, the Twin Serpent Wand, and the Dementors to the shadow within Morgan le Fay, then learned that Dementors had avoided the pillar. He planned to investigate Azkaban, and Sirius offered to guide him there.

• Amosta wondered whether Merlin had moved the temple because he, like Godric Gryffindor, could not lift the Twin Serpent Wand.
• Amosta recalled that his Patronus had changed after resonating with something in his soul, and connected that mystery to the shadow within Morgan le Fay.
• Amosta asked Sirius whether the stone pillar at the Azkaban ruins had seemed unusual.
• Sirius remembered that Dementors had avoided going near the pillar when the ruins emerged from the tide.
• Sirius realized Amosta wanted to investigate the pillar and offered to guide him toward Azkaban, asking him to destroy the prison and its Dementors if possible.

Amosta and Remus returned to Hogwarts before the second term, while Amosta discussed plans to reach Azkaban with Sirius. Lucius Malfoy arrived to speak with Amosta privately, leaving his purpose unknown.

• Amosta and Remus returned to Hogwarts, where they greeted Professor Sprout and Madam Pince.
• Amosta and Sirius discussed the dangers of reaching Azkaban and the need to prepare a sturdy boat.
• Amosta spotted Lucius Malfoy speaking with Professor Snape near the Slytherin Common Room.
• Professor Snape brought Lucius to Amosta's office and said Lucius wanted to discuss a private matter.
• Amosta invited Lucius into his office to speak with him.

Lucius Malfoy visited Amosta Breen to apologize and secure his help, offering twenty rubies as payment for a commission. Amosta agreed to hear the request because of Snape, but warned Lucius that he had broken the underground world’s rules by approaching him directly.

• Snape told Amosta that Lucius had already been Slytherin’s prefect when Snape arrived at Hogwarts.
• Lucius tried to befriend Lenny, but the cat bristled at him.
• Amosta summoned an armchair for Lucius and served him green tea, leaving him uneasy with a long, silent appraisal.
• Lucius apologized for their encounter at The Leaky Cauldron and laid twenty rubies on the table as payment for a commission.
• Amosta noted that Lucius had broken the underground world’s rule against clients meeting commission recipients directly, then agreed to hear the request because of Snape.

Lucius Malfoy told Amosta Breen that Fenrir Greyback had left him a werewolf’s claw and demanded that he find Golden Viper. Lucius asked Amosta for help, unaware that Amosta was Golden Viper, and waited for his answer.

• Lucius placed a charred werewolf’s claw on the table, startling Lenny and drawing Amosta’s attention.
• Lucius revealed that Greyback had brought werewolves to the Malfoy manor and left the claw as an advance payment for help finding someone.
• Lucius identified the target as Golden Viper and explained that Greyback’s pack had used Draco to threaten him.
• Amosta challenged Lucius’s reluctance to use the Malfoy family’s influence against Greyback, and Lucius argued that the werewolves could retaliate if any escaped.
• Lenny realized that Amosta was Golden Viper and waited to see how he would respond to Lucius’s request.

Lucius Malfoy asked Amosta Breen to help find Golden Viper, but Amosta refused to make a deal and instead planned to act against Greyback to protect students. After Snape brought Draco to Amosta's office, Amosta noticed something suspicious in Draco's eyes.

• Amosta realized Greyback had stopped Lucius from asking Cacus Foley about Golden Viper, then dismissed Lucius while keeping the rubies he had left behind.
• Lucius accepted Amosta's refusal and left, while Amosta explained to Sirius that he could intervene against dark creatures threatening students and their families.
• Amosta turned Sirius back into Lenny as Snape arrived with Draco, who remained dispirited and refused to speak.
• Amosta ordered Draco to raise his head and look at him, then saw a fleeting figure in Draco's eyes.

Amosta learned that Draco was still struggling after a practical lesson and watched Snape reprimand him before protecting him from further pressure. He then secretly followed Draco, Vincent, and Gregory, who left the dormitory after nightfall as if responding to a command.

• Snape scolded Draco for his poor behavior in class and urged him to reconcile with his friends before Easter.
• Amosta told Snape that Lucius had sought his help with a personal problem, and Snape suspected it was connected to Draco's earlier claim that his parents were being threatened.
• After Snape and Draco left, Amosta turned his attention to the surveillance screen while Sirius stayed behind under a locked door.
• Amosta followed Draco, Vincent, and Gregory through lunch and into their dormitory, where he searched the room but found nothing unusual.
• After remaining motionless on their beds for most of the afternoon, Draco, Vincent, and Gregory got up after sunset and left the basement as if summoned.

Amosta watched Malfoy secretly meet Scabbers in the Owlery and listened as Malfoy reported Lucius’s dealings with Professor Breen. Scabbers recognized the name Golden Viper and learned that Greyback had threatened the Malfoy family to force Lucius to help find him.

• Wood asked Harry whether he could play Quidditch despite the Dementors, and Harry explained that Professor Lupin was helping him prepare.
• Harry told Wood that Professor Lupin had advised him not to ride the Firebolt until Professor Breen examined it, and Cedric had said Breen was back at Hogwarts.
• Amosta followed Malfoy, Crabbe, and Goyle to the Owlery and watched Malfoy meet Scabbers while Crabbe and Goyle guarded the entrance.
• Malfoy told Scabbers that Lucius had asked Professor Breen for help with a problem and that Greyback had threatened the Malfoy family to make Lucius find Golden Viper.
• Scabbers recognized Golden Viper’s name from Arthur Weasley’s conversations and recalled the wizard’s conflict with the werewolves.

Peter Pettigrew used the Marauder's Map to search for Sirius, while Amosta Breen watched and secretly marked him with magic. Peter then slipped out of Hogwarts and raced deep into the Forbidden Forest, where he reached a primitive village.

• Scabbers wondered why Lucius Malfoy had sought out Amosta Breen, then decided to focus on killing Sirius.
• Scabbers unfolded the Marauder's Map and searched its moving names for Sirius.
• Amosta recognized the map, lowered his wand, and secretly attached a black magical creature to Scabbers's tail.
• Scabbers devised a plan, escaped through a hole in the wall, and ran from Hogwarts into the Forbidden Forest.
• Amosta followed Scabbers until he reached a vast, primitive village deep in the forest.

Amosta followed Scabbers deep into the Forbidden Forest, where Scabbers discovered that Greyback and his werewolves still lived there. Amosta chose not to approach their hideout and followed Scabbers back to Hogwarts.

• Amosta watched centaur elders perform Divination before quietly leaving their village after Scabbers.
• Amosta caught up with Scabbers in the forest and saw two black-robed figures bring a dead Muggle to Greyback’s werewolf camp.
• Scabbers recognized Greyback’s group from an encounter years earlier with James and Sirius, then fled toward Hogwarts.
• Amosta looked toward the rocky hill but decided to follow Scabbers instead.
• Before midnight, Scabbers returned to his shed.