The Abyss Demon
- Reads 7,934
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- Parts 22
Ongoing4h 54m
Last published Sun, Apr 26, 2026
William Smith was just an ordinary college student-until a tragic accident abruptly ended his life.
But destiny had far greater plans for him. Instead of reaching a true end, he was reborn... not merely as a demon, but as a Primordial Demon-one of the most powerful and ancient entities in existence.
In this new life, he will follow only the call of his own desires.
Is the world prepared for the chaos he is about to unleash across the ages?
Only time will tell.
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Rimuru Tempest, now at the absolute pinnacle of his power, stands as the revered leader of the Jura-Tempest Federation. He has seen it all: triumph and heartbreak, loyalty and betrayal, the rise of his nation, and the tragic price of war. But what if he could do it all over again? Ciel performs an unprecedented feat-sending Rimuru's consciousness back to the very moment of his reincarnation. This isn't a second chance; it's a New Game +. Armed with the wisdom of a god-tier being, the memories of a fulfilled future, and the power of a True Dragon, Rimuru must navigate the pitfalls he once faced as a naive, newly-reborn slime. This time, he won't be caught off guard by the schemes of Falmuth, Clayman, or the complex political machinations of the world. With his foreknowledge, Rimuru is determined to build a true paradise, a nation where no friend is lost and no sacrifice is in vain. But even with his immense power and knowledge, the past isn't so easily rewritten. New variables and unforeseen challenges await. Can Rimuru truly create a perfect world, or will the weight of his own godhood and the very nature of time itself create a different, darker path? --- Disclaimer This is a work of fanfiction. All characters, settings, and original concepts from the anime, manga, and light novel series That Time I Got Reincarnated as a Slime are the intellectual property of Fuse and their respective publishers. All original plotlines and characters created for this fanfiction belong to the author.
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