These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Goddamned Bats: The regular human terrorists that try to melee your character- they come in MASSIVE numbers, and attack very rapidly that you'll probably take a hit or two when you come out of hiding to fire at them. Raptors also qualify, with all that jumping about the entire place (while firing Beam Spam) making them hard to hit.