Historically, more often than not, when a narcissistic megalomaniac is victim of a close call of targeted violence against them, rather than them becoming more empathetic with the sadly large swathe of humanity that also often faces targeted violence, they just double down on their own paranoia.
I like Librewolf a lot, and do use it sometimes on desktop, but they do not offer a mobile version, and there have been a few web pages I have found it was not compatible with.