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1. Secret of A Naga's Heart by Aurora_Cat

   Fandoms: Thomas the Tank Engine & Friends, Thomas the Tank Engine - All Media Types  

   • Mature
   • Graphic Depictions Of Violence
   • F/F, M/M
   • Work in Progress

   24 Aug 2025

   Tags

   • Graphic Depictions Of Violence
   • Edward/Henry (Thomas the Tank Engine)
   • James/Thomas (Thomas the Tank Engine)
   • Connor/Gordon (Thomas the Tank Engine)
   • BoCo/Duck (Thomas the Tank Engine)
   • Percy/Toby (Thomas the Tank Engine)
   • Caitlin/Emily (Thomas the Tank Engine)
   • Daisy/Flora (Thomas the Tank Engine)
   • Millie/Rosie
   • Henry (Thomas the Tank Engine)
   • Edward (Thomas the Tank Engine)
   • James (Thomas the Tank Engine)
   • Thomas (Thomas the Tank Engine)
   • Gordon (Thomas the Tank Engine)
   • Connor (Thomas the Tank Engine)
   • Toby (Thomas the Tank Engine)
   • Percy (Thomas the Tank Engine)
   • Whiff (Thomas the Tank Engine)
   • Emily (Thomas the Tank Engine)
   • Caitlin (Thomas the Tank Engine)
   • Hiro (Thomas the Tank Engine)
   • Spencer (Thomas the Tank Engine)
   • Rosie (Thomas the Tank Engine)
   • Millie (Thomas the Tank Engine)
   • BoCo (Thomas the Tank Engine)
   • Duck (Thomas the Tank Engine)
   • Stanley (Thomas the Tank Engine)
   • Flying Scotsman (Thomas the Tank Engine)
   • Luke (Thomas the Tank Engine)
   • Romance
   • Eventual Romance
   • Angst
   • Fluff and Angst
   • Angst with a Happy Ending
   • Angst and Hurt/Comfort
   • Fantasy
   • Sexual Fantasy
   • Alternate Universe - Human
   • Fluff
   • Fluff and Smut
   • Mad Scientists
   • Naga
   • Anal Sex
   • Oral Sex
   • Sex
   • Rough Sex
   • Gay Sex
   • Human/Monster Romance
   • Moving On
   • Flashbacks
   • Past Relationship(s)
   • Past Lives
   • Past Character Death
   • Blood and Gore
   • Gore
   • Poisoning
   • Poison
   • Drowning
   • Size Difference
   • Evil Plans
   • Self-Sacrifice

   Summary

   *HUMANIZED AU* Before Kings were crowned, Three Nagas ruled Sodor, by governing the elements of fire, earth, and water. When their paths cross with those of three men, danger looms...

   Language:

   English

   Words:

   25,551

   Chapters:

   7/?

   Comments:

   35

   Kudos:

   58

   Bookmarks:

   3

   Hits:

   2,343