The Accursed, the Banished and the Regretfuls

Far long ago, the creator Veldanava thought of getting rid of his Omniscience and Omnipotence in order to exist as a part of creation and not something beyond it. Just before doing it, he looked one last time in the future of his creation, to be sure that nothing that could become a threat impossible to dealing with will spawn. But he overlooked something. Countless years later, a odd demoness began to wreak havoc in the Underworld, an abnormal existence on par with the Primordials, who seek greater strength for a secret purpose. Almost 2 century after her, a little blue blob appears in a sealed cave, ecstatic of being reborn in "this" world, who will allow him to save his life, even if he doesn't remember how or why. A slime, which possess only one half of a soul... Authors note: This story will take place with a new Rimuru, former French (yeah, why not), but who has also grow up with some manga culture, different personality, and with ruling, combat and others skills from the start. The demoness will be an OC linked to this Rimuru. And there will be some characters, parts of lore and story-lines that belong to others licenses as well. Not really in the Cardinal World, but in another world that will appears in the story, and that I will tweak a little to make it correspond to the ambiance and the lore. Some ideas of Dark Souls and Hollow Knight will appears, and maybe a character or two from somewhere else. Small warning: dirty jokes may occur occasionally. Also, this story will have some relationships (moderate harem), fluffy moments but no Lemon. And I don't want harem members to be trophy to gather, they'll remain full fledged characters ( so those who are mostly here for massive fapping material in all the story length, you won't find what you search here, that's not the main focus, just a byproduct of my chaotic brain) Reminders: I do not own the rights to Tensura, or any other licenses that will appear in a way or another.