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37 years old Satoru Mikami is just an ordinary man living a simple and honest life but that all changes then he was stab to death by a man while protecting he junior. He dead regreting the thing that he hasn't able to experience life. In he that an overwhelming desire wash over, a desire strong enough for the world to recognized it. Now with the second Chance he vow to live like he wanted even becoming a monster in everyone eyes. A life of a king, a ruler, a monarch, and apex predator in this new world he lives in. He will follow he own script, the script of one of the primordial demon, Silver Primordial, Argent I will put in some surprise and twist to make it more fun for you readers. I hope you like it 🌟 this will be my first story I hope you like it

"I Ren Daisuke thought my unconventional life would end after years of working in Special Forces and CIA, so imagine my surprise when I was died and was reincarnated as a DRAGON of all things in this world filled with magic and monsters. This is the story of my adventures in the greatest journey of all time, under the new name Rimuru Tempest!!" Tensura AU

More than 200 years have passed since the war between the Empire and the victory over Ivarage. Rimuru is currently sitting in his office, bored out of his mind. His loyal partner Ciel sees his situation and gets an idea that can solve Rimuru's boredom. Come along on your journey as Rimuru travels over 20,000 years into the past to become an ancient demon lord.

This story depicts an alternate timeline wherein Velzard attends Walpurgis after sensing Veldora's presence. She subsequently meets our protagonist and becomes interested in him after his display at the meeting. After thinking for a bit, she decides to move to Tempest and becomes a close ally of Rimuru. Rimuru and Velzard will sometimes be out of character since it's unavoidable. Our protagonist will be more rational and have an actual spine, while Velzard will not be as cold and ruthless as her canon counterpart. Besides, Velzard is missing a lot of characterization, so I decided to write my own interpretation of her personality based on the original light novel. I recommend at least having seen the second season of the anime since my story will pick up from there. This fanfic will follow the main story beats from the original light novel, meaning some arcs will get glossed over if there are little changes. I'm somewhat OC, so expect a lot of chapter edits or updates because I tend to reread chapters and notice minor mistakes here and there. Also, it goes without saying that I do not own the series 'That Time I Got Reincarnated As A Slime.' Check out and read the original light novel written by Fuse.

In the existence shaped by the Divine Twins, creation and destruction coexist in eternal harmony. The female twin, a being of boundless power and the embodiment of destruction, has always walked her path with purpose, to unmake so that her brother may create, to carve space for the infinite potential of existence. Her role is necessary, yet solitary, as she bears the remnants of the Nothingness that once was. (Divine twins = Veldanava And Oc) (A/N everything goes on like the LN after the beginning of creation until Rimuru becomes a demon lord, chapters were revised with ai since I'm terrible with grammar)

In this fanfic Rimuru did not survive in the tensura war and was reincarnated as a half angel princess and half demon and falls in love with a surten blond hare prince and have a big adventure Togerther. What challenges will they face. This story is based on the anime not the manga. It will take mostly place based on the anime's story but will not have the same plot structure. English is not my native language so sorry if I don't type it correctly. I do not own the anime but it falls under fare use.

During the Final Battle Against Feldway, he had inevitably sent Rimuru to the end of time and space. After Feldway send Rimuru to the end of time and space Rimuru decide to find a way to go back when he's wake up However, Chrono-Saltation, had not only thrown Rimuru to the end of time and space, but it had also locked him out from returning to the world using Space-Time Leap. As if banning Rimuru's existence itself from the world, preventing his return. And Ciel also tell him that his timeline had already destroyed so he cannot go back after hearing that Rimuru start to feel a lot of emotion inside him sadness regret and pain all the emotions you can think of come to him at once and start to make him go insane In the end, Ciel find a way to time travel to the past but risk is to high it can destroy rimuru's Spiritual body, if anything goes wrong. And so can rimuru go back in a time unharmed ? And what will be the consequences of it ? In this fan-fiction, Rimuru will be OP, respectful, serious when needed, and goofy. There will be other characters that will be more powerful than Rimuru at the start. (Keep in Mind, this is Fan-Fiction. So not everything here will be accurate and a lot of things will be changed.) All Rights Reserved

In this fanfic rimuru wouldn't be a reincarnater Achievement 1 in oprimuru(30-6-2025) 1 in velzard (21-11-2024) 1 in velgrynd (18-4-2025) 1 in Veldanava (25-3-2025)