Horror: Perfected aims to increase the overall uneasiness of minecraft to make it a more tense and unsettling experience.
A horde of zombies approaches. The moonlight is waning...
Flesh monsters will infect your world. Be sure to arm yourself, but fight back quickly or risk your world being consumed by the flesh.
Beware the darkness at every turn. Mobs do not respect the usual spawning rules, and you will need much more light to deter them completely.