Phoebe Picken was born into a prestigious family on Lomek in 804.M38, enjoying the luxuries of life while secretly delving into forbidden knowledge and dark arts due to her psychic abilities. During her parents' absence, she was possessed by a Daemonette of Slaanesh, leading to a gruesome massacre of her servants. After being freed from the Daemon's control, she would kill her parents and become a demon prince of Slaanesh, now running The Fluxborne Vainguard warband of Astartes