The fallen king, Aka Ryomen sukuna. He was the child of a starving mother and before birth he had eaten his twin brother to gain such mutatin to have 4 arms,2 faces and 2 mouths. all though he was born an unwanted child and rejected by society. So he did what he could do. He acceped the society. He massacred the village he lived and took revenge from those who disgraced and mocked him for such mutated body. In the heian era sukuna had become the strongest to the pojnt nobody could withstand him. Not even the six eyes of that era. After a while he had got bored and met kenjaku and has mummified himself to comeback in a diffrent era.