Energy attacks/black magick
the cult that wears the stone can cause symptoms similar to what everyone is experienceing, the alpha team gives off a heartbeat spiritual pressure. if your a target of them they will try to isolate you and off you. if your facing such things try digging deeper and getting your willpower and resolve up.
https://www.economist.com/the-economist-explains/2021/08/23/what-is-havana-syndrome-the-puzzling-malady-plaguing-western-diplomats
https://www.economist.com/the-economist-explains/2021/08/23/what-is-havana-syndrome-the-puzzling-malady-plaguing-western-diplomats