Featherine

Featherine Augustus Aurora is an extremely powerful witch who can freely rewrite reality. She appears in the last three episodes of Umineko no Naku Koro ni as an observer and antagonist. however in the crossover universe she obey her will against the mighty scp-001 also known as The Scarlet King, she befriended to him as her Lord. and memory have already disappeared into the past and have been forgotten. Only the solemn medal she wears on her chest contains those memories. The horseshoe-shaped object floating around her head Is a memory aid device. As a witch with the rank of Creator, Featherine is capable of creating just about anything, spinning entire narrative worlds. Not only can Featherine manipulate the human world, the meta-world itself also bends to her will, as she can change events even as they are happening to her. she's infinitely times more powerful as the outroverse, more powerful as a million multiverses.