Who is Kiera Salter/Marie Skibbow from The Neutronium Alchemist Conflict and what is their importance?

Kiera Salter is the soul possessing the body of Marie Skibbow. She is in charge of the possessed society in Valisk, and she created the Deadnight recording to lure young people to the habitat. Liera is very beautiful, and she uses her looks to get her way. When Capone offers to exchange antimatter for hellhawks, she travels to the Organization's headquarters to meet him.