When warning it to go away and regular cleansing and banishing don’t work, including removing with your astral body’s hands, I usually attack it directly. It’s had fair warning and the gloves come off.
We have a collection of techniques for dealing with parasites, what have you tried so far? Have you tried cord cutting, telling (not asking, commanding) it to leave, cleansing the “babies” and hence removing you as a useful tool, banishing with smudge or the LBRP or whatever you guys did growing up in a family that was sensitive.
Also, on a housekeeping note, please do your friend a quick favour check with them that they’re ok with you posting their UPG on a public forum that’s googleable by the entire Internet? They might like to be asked, I know I would…