Bad Sisters are Little Sisters that inhabit the depths of Rapture. Like normal Little Sisters, they harvest ADAM from the corpses of Splicers. Unlike Little Sisters, Bad Sisters have plasmid abilities, usually Incinerate, Hypnotize, and Telekinesis. They are outcasts who have faced enough shock to severely distort the affects of their brainwashing. Most Bad Sisters are sadistic and both shunned and feared by Little Sisters. They are sometimes seen with Big Sisters.