These Anteceded Shadows (Ao3 link)
Sebastian Sallow had become a shadow of his former self ever since his sister had been cursed. But then, he met Cassandra Moore, the new fifth year with the mysterious ability to wield an ancient magic that could heal his twin. Alas, she is pursued by Lord Victor Rookwood, head of a crime syndicate that terrorises Hogwarts Valley. The two kindred spirits, willing to fight fire with fire, will stop at nothing to unlock the secrets of ancient magic and end Rookwood’s reign. Completed
Rating: M
Pairings: Sebastian/MC (Main), Ominis/Poppy (B Pairing)
Chapter One: Welcome to Slytherin (Posted Feb 22 2025)
Chapter Two: Restricted Knowledge (Posted March 8 2025)
Chapter Three: Innocence (Posted March 22 2025)
Chapter Four: Playing with Fire (Posted April 5 2025)
Chapter Five: Never Again (Posted April 19 2025)
Chapter Six: Homecoming (Posted May 3 2025)
Chapter Seven: Salazar's Secrets (Posted May 17 2025)
Chapter Eight: A Favour (Posted May 31 2025)
Chapter Nine: Revelations and Secrets (Posted June 14 2025)
Chapter Ten: Kindred Spirits (Posted June 28 2025)
Chapter Eleven: What the Heart Wants (Posted July 12 2025)
Chapter Twelve: Hearth and Home (Posted July 26 2025)
Chapter Thirteen: In My Time of Need (Posted August 9 2025)
Chapter Fourteen: Hollow (Posted August 23 2025)
Chapter Fifteen: Taking Risks (Posted 6 September 2025)
Chapter Sixteen: Shielded (Posted 20 September 2025)
Chapter Seventeen: The Noble House of Gaunt (Posted 4 October 2025)
Chapter Eighteen: From the Shadows (Posted 18 October 2025)
Chapter Nineteen: The Calm (Posted 1 November 2025)
Chapter Twenty: All is Fair in Love and War (Posted 15 November 2025)
Chapter Twenty-One: The Future is Ours (Posted 29 November 2025)
Chapter Twenty-Two: Legacies (Posted 13 December 2025)
Chapter Twenty-Three: Untouchable (Posted 27 December 2025)
Chapter Twenty-Four: Vessel (Posted 10 January 2026)
Chapter Twenty-Five: The Folly of Youth (Posted 24 January 2026)
Chapter Twenty-Six: Changes (Posted 7 February 2026)
Chapter Twenty-Seven: Ouroboros (Posted 21 February 2026)
Chapter Twenty-Eight: The Fall (Posted March 7 2026)
Chapter Twenty-Nine: Those Summer Days (Posted March 21 2026)
Chapter Thirty: The Rise (Posted April 4, 2026)
