I just finished reading the prologue, and I'm completely captivated! Your opening immediately grabs the reader with its intriguing premise: a powerful but morally bankrupt hero inadvertently creates a monster far worse than the Demon King. The philosophical questions you raise about the nature of good and evil are both thought-provoking and perfectly set the stage for the dark fantasy world you're building. The framing device of the "Narrator Behind the Curtain" is a clever touch, adding a layer of meta-narrative charm that enhances the overall storytelling. The introduction of Iróas is masterful. He's not your typical heroic archetype; instead, he's a chillingly compelling anti-hero, whose actions reveal a character driven by self-interest and a disturbing lack of empathy. The use of the system to showcase character stats is a brilliant addition, subtly highlighting the power dynamics at play and underscoring the hero's manipulative nature. The contrast between his technologically advanced domain and the medieval kingdom he's tasked with protecting is striking, further emphasizing his detachment and the looming sense of impending doom. The suspense builds relentlessly throughout the chapter. The king's growing realization that he's unleashed an uncontrollable force, and the subtle hints of the hero's manipulation, create a palpable sense of unease and dread. The ending, with the hero departing the royal court, leaves a lingering chill and a powerful sense of anticipation for the catastrophic consequences to come. This is a darkly brilliant start to a webnovel that promises a thrilling and morally complex story.