This topic reminds me of the people I see in my clinical practice who grew up with parents with a serious mental illness. My work is often based on my research entitled: “Lives unseen: unacknowledged trauma of non-disordered, competent Adult Children Of Parents with a Severe Mental Illness”.
https://minerva-access.unimelb.edu.au/handle/11343/37852
My work led me to being invited to write some articles on trauma and grief for mental health practitioners which I then offer to the general public (https://medium.com/@suzette.misrachi). When a narcissist is also charming and talented it makes it ever more difficult for people to deal with.