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Nightmare Fuel has been renamed. Examples of things that are scary but not meant to be are now Accidental Nightmare Fuel. Examples of things that are scary and are meant to be are under High Octane Nightmare Fuel
Nightmare Fuel was split into Accidental Nightmare Fuel and High Octane Nightmare Fuel, with the original page turned into a disambiguation page. My guess is you simply ran into an outdated link.
Slava UkrainiThe new links are Accidental Nightmare Fuel and High Octane Nightmare Fuel.
Calling someone a pedant is an automatic Insult Backfire. Real pedants will be flattered.The picture was of Red being scared by a skeleton in the manga and some text looked like this...
Glitch Pokémon are Pokémon that manifest through errors in the game'sprogramming. The stuff they do to your file is all kinds of messed up. Translate that to...
There must an archive with it somewhere...

Okay, so this is kind of an odd example, but I couldn't think of anywhere else to put it. If someone thinks this is the wrong place and knows where to put it, please tell me.
I was looking on the general Pokémon pages, and noticed that the Nightmare Fuel entry wasn't there. Confused, I searched for it and it came up as normal. However, when I clicked on the link that should have led to the page, I was redirected to an empty page with a red link.
I noticed some of the pages for the original series were left untouched, so I'm assuming this is a glitch?
There was no talk about taking the page down… Did it simply relocate somewhere else? I hope so, because it had a lot of interesting information…