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1. The Undervale by Fynn_Lives_In_The_Void

   Fandoms: Haunted Hotel (Cartoon)  

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

   08 Mar 2026

   Tags

   • Graphic Depictions Of Violence
   • Father of the Child Whose Body is Possessed by Abaddon/Nathan (Haunted Hotel)
   • Abaddon & Nathan (Haunted Hotel)
   • Abaddon & Ben & Esther & Katherine & Nathan (Haunted Hotel)
   • Abaddon & Esther (Haunted Hotel)
   • Child Whose Body Is Possessed By Abaddon & Father Of The Child Whose Body Is Possessed By Abaddon (Haunted Hotel)
   • Abaddon & Child Whose Body is Possessed by Abaddon (Haunted Hotel)
   • Joel/Katherine (Haunted Hotel)
   • Abaddon (Haunted Hotel)
   • Child Whose Body is Possessed by Abaddon (Haunted Hotel)
   • Father of the Child Whose Body is Possessed by Abaddon (Haunted Hotel)
   • Nathan (Haunted Hotel)
   • Katherine (Haunted Hotel)
   • Esther (Haunted Hotel)
   • Ben (Haunted Hotel)
   • Ghosts of the Undervale Ensemble (Haunted Hotel)
   • Slow Burn
   • Gay
   • The priest's name is Johnathan
   • The vessel's name is Samuel
   • Nathan is Abaddon's Parent (Haunted Hotel)
   • Trauma
   • Religious Guilt
   • Eventual Smut
   • Implied/Referenced Suicide
   • Internalized Homophobia
   • Angst
   • Fluff
   • Fluff and Angst
   • Smut
   • Gay Sex
   • Nathan is Trying (Haunted Hotel)
   • The priest has religious trauma
   • Abaddon Being a Little Shit (Haunted Hotel)
   • Abaddon Being Abaddon (Haunted Hotel)
   • Abaddon is Nathan's Child (Haunted Hotel)
   • Abaddon Angst (Haunted Hotel)
   • Abaddon is a Member of the Freeling Family (Haunted Hotel)
   • Abaddon & Esther are Best Friends (Haunted Hotel)
   • Religious Imagery & Symbolism

   Summary

   First, I am just going to say, this is not a shot at anyone's religion in any way. If the religious references make you uncomfortable, you don't have to read this.

   Since the second season is still however long away, I'm working out my obsession with a fic. This takes place after the first season. Abaddon goes to find bones, and ends up running back to the hotel with the ghost of a rather angry priest right on his trail. I am currently obsessed with the Nathan and the priest ship, so yeah, they gonna be gay, and they gonna crack...eventually. We gotta do some sad shit first.

   Language:

   English

   Words:

   6,594

   Chapters:

   6/?

   Comments:

   63

   Kudos:

   172

   Bookmarks:

   12

   Hits:

   1,863