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1. The Blue Dragon by mrarcturusblack

   Fandoms: Avatar: The Last Airbender (Cartoon 2005), Harry Potter - J. K. Rowling  

   • Mature
   • Graphic Depictions Of Violence
   • Gen
   • Work in Progress

   13 Sep 2026

   Tags

   • Graphic Depictions Of Violence
   • Azula (Avatar) & Regulus Black
   • Regulus Black & Kreacher
   • Regulus Black & Walburga Black
   • Orion Black & Regulus Black
   • Regulus Black & Narcissa Black Malfoy
   • Regulus Black & Sirius Black
   • Azula (Avatar)
   • Regulus Black
   • Kreacher (Harry Potter)
   • Walburga Black
   • Orion Black
   • Narcissa Black Malfoy
   • Sirius Black
   • Bellatrix Black Lestrange
   • Evan Rosier
   • Pandora Rosier
   • Arcturus Black III | Sirius Black's Grandfather
   • Melania Macmillan Black
   • Barty Crouch Jr.
   • Andromeda Black Tonks
   • Reincarnation
   • Mental Health Issues
   • Paranoia
   • Split-Personality Merge
   • Regulus and Azula become one person
   • Inaccurate Depictions of Mental Health
   • Angst
   • Morally Grey Regulus Black
   • Pureblood Culture (Harry Potter)
   • Pureblood Politics (Harry Potter)
   • Politics
   • The Noble and Most Ancient House of Black
   • Regulus Black-centric
   • Black Family-centric (Harry Potter)
   • Marauders Era (Harry Potter)
   • Pyromaniac Regulus Black
   • Alternate Universe - Canon Divergence
   • Age changes
   • so cygnus doesn't have a child at thirteen
   • evan and pandora are twins
   • Bellatrix and Andromeda are Twins
   • Unreliable Narrator
   • No Beta we die like Azula's sanity

   Summary

   Ten-year-old Regulus Black comes to remember his past life. How will this change his life?

   Or: Princess Azula was dead. She had lost. She would not let her next incarnation fail as well.

   Language:

   English

   Words:

   22,224

   Chapters:

   7/?

   Comments:

   26

   Kudos:

   43

   Bookmarks:

   16

   Hits:

   853