Just spill some holy water on nan. I bet it will burn her.
If you really want to burn her, start telling everyone you know that she hates gay people and only wants to use them to keep power so that she can keep them bottled up somewhere they can’t corrupt ‘the chilrun’.
Excuse me Ms. you’ll have to pass it to find out what’s in it but I didnt think Satanists can partake in Communion.