Au_Mart202
"I promised I'll come back."
After the Great Tenma War, the strongest being in existence, Rimuru Tempest, defeated the World-Destroying Dragon, Ivarage-the twisted reincarnation of Veldanava, the Creator God. Although the battle saved countless worlds, the price was his own life.
With a smile, Rimuru made one final promise to the people of Tempest.
"Don't destroy Tempest while I'm gone."
His body dissolved into magicules, and his soul began another reincarnation.
He awakens as Rimuru Tempest of the House of Tempest, a newborn child in the world of Attack on Titan.
A world where Titans rule through fear.
A world where freedom is merely an illusion.
But this Rimuru isn't just any child.
Hidden within the mysterious House of Tempest lies a forgotten bloodline dating back to the ancient Eldian Empire-a family that once inherited the Attack Titan, possessed royal blood, yet refused to kneel before kings, Titans, or destiny itself.
Now living as a seemingly ordinary boy in the year 820, Rimuru has no intention of becoming a hero.
At least... not yet.
Guided by Ciel, recovering his former powers one step at a time, and surrounded by a family that values freedom above all else, Rimuru's new life begins long before the fall of Wall Maria.
Will he change history?
Or will history change him?
Freedom is never given. It is chosen.
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Disclaimer
That Time I Got Reincarnated as a Slime (Tensei Shitara Slime Datta Ken) is owned by Fuse.
Attack on Titan (Shingeki no Kyojin) is owned by Hajime Isayama.
I do not own either series. I only own the original plot, original characters, and the House of Tempest created for this fanfiction.
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Author: Au_Mart23