The idea was originally found in A_Bored_Reader Undertale ideas for stories that hit me like the brick called Reborn! I asked permission to use it. Read the original if you're interested, but it contains quite a few spoilers for this story.
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["Thoughts of Nightmare / Palette" AU= Alternative Universe
Warnings: Bad intentions, Manipulation, Cussing, sickness, Nightmare's hateful comments about Dream and Ink.]
Nightmare had different feelings about the forced rest necessary for recovery. Partly it was good that his consciousness could take a break from his prison known as Palette, on the other hand, he felt waste of time, the dizziness and sickness were extremely uncomfortable and miserable, and eventually he hated being weak and sick. Besides that, he was very annoyed by the fact that he could only control his consciousness, but his body not.
Because of the illness, it was like his consciousness was living a separate life from his body again... Regardless of him, Palette body lost consciousness again and again, while Nightmare's consciousness remained there in the unconscious body. It was quite boring so many times he went to sleep, being almost unable to do anything without Dream noticing...
And the fact is that Dream was blind enough before he didn't notice the truth, but as Ink's right-hand man he became much more responsible and it is much more attention to his duty. This makes it much harder to unnoticed interfere with positivity or dream-related things. During his illness, Palette also received quite a lot of good wishes in the form of letters and objects.
He was sitting on his bed and reading them when his parents brought another portion.
– You see how many want you to heal as soon as possible?! – Dream extremely happily.
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– If I can, then I would like to write back to them and thank them for their kindness – Palette asked his parents with a faint smile on his face. His parents looked at each other anxiously.
–... Are you sure you're feeling well enough for this? – Ink asked with caution.
– I think a little distraction would help... – Palette answers weakly.
– All right, but don't force it! I'm sure they'll understand if you don't write back to them! – Ink assured him while created the necessary things with a small brush.
– Thanks! – he pulled to himself the movable table which was mostly used for eating, and then, placing the paper on it, began to work out the letters.
"It's time to start the plan whit accidental poisoning and accidents. Using letters to manipulate others to manipulate others is not easy...But if I succeed, I can tie up Dream long enough to do the double dream world and even generate negativity with it! As the saying goes „Kill two birds with one stone"." he smiled darkly at his own thoughts, though from an outside point of view he seemed rather cheerful.
– It's good to see him happy again! – Dream cheerfully.
