If you enjoyed this story and would like to see more of my work/style, please check out my new fanfiction; Leviathantale: Call of the Abyss.
It is also Crossmare.
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Loyal Servant (Crossmare) (Rewrite)
FanfictionRewards: #1 Crossmare #1 IN UNDERTALE?!?! ARE YOU SERIOUS?!?! *** There wasn't a creature in the entire multiverse quite like Nightmare. Most viewed him as an insane overlord high on power, but he radiated far too much calculation and control for bl...
