Aries: fucking everything up
Taurus: Heights, really tall places that he/she can die from. (and just to add this in, spiders and zombies are hell too in my opinion.)
Gemini: their computer crashing
Cancer: Someone not loving them like they love someone
Leo: Serial killers
Virgo: being really really really embarrassed
Libra: People hating/disliking them
Scorpio: tall evil demons
Sagittarius: trapped in a cage/ small area they can't escape
Capricorn: not being able to help the ones they love
Aquarius: death, in general.
Pisces: Everyone they know and love dying