The Nightmare Demon Gathering
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Within the endless void that connected all Fractured Nightmare Realms, there was a large sea of pure nightmare void, stretching into thousands of rivers that fractured off the Main Nightmare into countless Realms that continued emerging endlessly across the world.
Amidst them, there were several figures, dozens after dozens of these beings, walking across an endless castle made of darkness and covered with crimson eyes. Each castle corridor led to a different realm of many shapes and sizes, created from the endless nightmares, trauma, and hatred of humanity.
From all these doors, these beings came, in all shapes and sizes, Nightmares. The embodiment of humanity's deepest fears, their traumas, their hatred, and their insanity and madness. Yet they weren't the normal ones.
No, these weren't little Nightmares.