Interesting that when somone asks for personal experiences, most everyone gives the experience of a story they heard second or third hand.
I've heard tons of "ghost" stories...from the brother who couldn't get his TV to turn off while The Exorcist was on. A buddy of mine's aunt had a vacuum cleaner that ran itself (I've heard of witches on brooms, but on vacuum cleaners?). A brother in the hall had a sister whose room would shake and rumble when she slept at night.
All the years of being a JW, not once was someone ever able to tell me an experience that happened to them personally, nor did I ever experience anything myself. (I did experience a couple of occasions of 'night terrors' and thought it was demons. After learning about 'night terrors' after becoming inactive I realized that's what it was, not demons).