As you already know Rimuru send so many clones in different types of worlds
As in different world outside of the the whole world Rimuru rulling there is also another Rimuru he is the Rimuru know for his cruel , manevelont personality, who killed his people because he felt like it ,
He dissolved entire world on his own regardless of how vast his world were he dissolved it's with his ultimate skill belezub,why? Why he do something so cruel ?why isn't he so cruel to the point making the ivaraj look like cute?
Answer is simple he is corrupted by ivaraj aura in war what we call an impossiblity among all Rimuru .. he have his own laws , justice , and for made for himself. Yes this Rimuru world experienced uniques events vastly different from the eternal empire of tempest , Rimuru tempest..
But it's been? Days , weeks , months , years , centuries, eons eternity? As been passed long time world dies and reborn many times in cylindrical cycle of world he started sobbing after come to senses.
"Why I killed them.. it's make no sense,..? Why .."Rimuru asked himself
<Oi idiot master your dreaming.. stop sleeping.. ugh annoying master.>??
As the world has coming to life..
<This annoying story teller stop it as manas of Ciel the wisdom core of god I command you not mislead readers...> Ciel
He wake up the worl-
*Slap on face of manevelont story teller.
"Ugh like ciel said stop messing around let me sleep already..!this dino is annoying like she said why are you reading your made up story so loudly..what you mean by mislead ciel? Dino you forgoting one thing now I have void god Azathot not belezubub I don't need flashy sword look like more of nuke than sword..what the nonsense I am saying ugh full grammer mistake .." Rimuru
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Well that's somany grammar mistakes, no nerd gone correct it lol