My Own Mortality.
Ignorance is bliss, ignore it.
Probably has to be a zombie apocalypse. Although they are easy to kill, I wouldn't want to see my family turn into one of them.
Most people would be zombies via the disease or first wave. So dont feel like you would survive.
Being buried alive. Jesus...
I've heard that it may burn tremendously but the overhwelming adrenaline may mask it making it the choking that kills you.
That one day the communi-plebs will rise up and overthrow their rightful lords and masters.
This
For me it's snakes and tight places, I fucking hate things that scuffle.