The Rogue Rebellion [Nightmare!Sans x Reader] [[SEQUEL TO FORBIDDEN]]

Warrior Cats x Undertale Multiverse Crossover
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None of the clans have seen Ash or the other rogues in years. Peace has settled among the clans, apart from the common small border skirmish. Nightmare and Y/N are expecting a daughter to arrive any minute.

But there's always a calm before the storm. The eye of a hurricane. Ash is secretly planning his revenge, and when he comes, a darkness will fall over the clans like no other. Ash will not give up easily, and his band of rogues will fight by his side until their victory, or their death.
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Hello! It's me, Sighnerd.
This is the sequel to Forbidden, so you should probably read that first!!
I still don't really have drawings of ALL the characters, but I have some, so you'll have to deal with text descriptions until I have them all. If I find the motivation to make them all, that is. But I'll try to make the descriptions better and not forget characters one fourth of the way through the book haha.
Again, you don't need to understand Warrior Cats. Everything is explained.
I don't own most of the characters, but I own some! Nor do I own Warrior Cats. Cover art is by ProductionRoxy.
Trying to keep the characters as canon as possible, but it's difficult when some of them- like Swad or Bird- don't have much information on them. But I'm trying!! It's easier with characters I own :]