Lilah has lost most of her feelings towards other people. Most of the time, she feels little to no remorse for her actions or the pain of others. She's been hardened to a point where violence doesn't even phase her.
When she was younger her third eye ended up opening too early, so her parents decided to try to seal away the curse by stitching it shut and forcing her to wear a mask to hide her face so people don't see.
After she got into middle school, her friends managed to convince her to take it off. She complied and revealed the haphazardly done stitches on her forehead. Some eyebrows were raised.