Saviourtale, also an Undertale au
in this au, Humans and monsters live together on the surface, but instead of war ,a zombie apocalypse happened. also that's not an ordinary apocalypse like that's not a real zombie apocalypse. It's a Dark corruption apocalypse made with Hate, Negativity, sadness, even that virus went to "RebootTale and Nine Taleverse"
The "Saviour Core" is the cure to stop that apocalypse. But Engineer! Sans got lost into that Universe somehow
