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.
Fridge Brilliance: Jean has jumps and quick reflexes has its only means to survive, as he doesn't attack enemies in any way – Catharism preached non-violence.
Goddamned Bats/Demonic Spiders: Bats and spiders are present here but are among the easiest enemies to avoid. The role may rather go to some later enemies, although it's mostly their placement in tight places the real danger.
Nightmare Fuel: The screen "Plagued Ruins" has insects with skull-like or distorted human faces. Also "Hangman Tree", where the music suddenly stops playing as you face the hanging bodies of four monks. It, however, may turn into...