About the AU

Underdecay is a world where the constant resets actually start to affect not only the characters, but HOME itself. No matter the path, kindness or violence, every reset leaves a permanent mark against the new timeline, similar to a scar that never fades.

Each reset leaves a small impression on the monsters that interact with the fallen human, the result of which becomes more and more prevalent with each new reset. The monsters are slowly becoming more aware about living the same life over and over as moments of deja vu and unexplained intuition seep into their lives. The past royal scientist took it upon himself to try to mitigate the damage caused by perpetual resets and for the most part actually succeeded but in his absence, the world slowly falls into decay.

About Decay!Undyne

She’s more violent and aggressive then she used to be.
Her magic is pretty much unstable and tend to turns partially against her.
You can’t befriend her anymore.
She’s determined to gather the last human soul at all cost.
She encourage other monsters to do the same as well, but work on her own.
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Art & Underdecay© Little-Noko

Art & Underdecay©

Undertale© Toby Fox

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