Somewhere around Tartarus (Demon Continent):
Deep within the dark forest, where twisted trees danced with in the winds.
At the heart of it, a beautiful fortress stood, unlike any other, pristine white, large garden, but surrounded by darkness.
It was a stark contrast to its surroundings. It felt as if it didn't belong to the Demon Continent.
Its large garden, lush with blood-red roses and vines with green thorns stretched around the fortress.
Despite its beauty, there were no guards.
None were needed.
Because this place belonged to her—a being feared even among demons.
The Tenth Seat of the Demon King's Castle—Nathalia.
In a grand bed chamber inside the fortress, bathed in yellow dim candlelight, she lays atop a bed.