In this kingdoom,humans are born with two powers ,Ousia- the power of darkness and Pneuma- the power of light,This two resemble but also oppose each other, giving the pepole with Pneuma more knowlege but less power and the pepole with Ousia more power but less knowlege, nevertheless - this world was ruled by an Ousia'n king named nuvilette and his Pneuma's wife focalors - Tragically his wife passed away After She gave birth to the star princess of this kingdoom, Furina the bratty princess that was a Rare blue Sapphire gem into he kingdoom as She had bouth the powers...but-thats just the general story

Furina- from genshin impact