Why are the lake guardians not fairy type?

Question

Their names refer to fairies, and yes I am aware they were introduced in generation 4.

Comments

Do you mean when gen 6 came why they did not get the fairy typing added on?

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Game Freak Logic.

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It's because they're too good to become fairy type.

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yea @moonlitumbre

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I mean, ancient fairy's where supposed to be pretty evil, and newer ones ain't.
And The lake guardians where one of the first Pokémon, so back then the fairy type meant evil or something? And if you name older Pokémon fairy it means the evil kind of fairy? But Xerneas?
Well, Yveltal is Dark type, though destruction isn't necessarily bad, would you know how many people would be on the world if that wouldn't happen? Weird.

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Fairy type weren't introduced in Gen 4, this may also be the reason.

Answer 1

In my opinion, I think the reason is be because they have somewhat-psychic powers. For example, Mesprit taught humans emotions, Azelf taught humans determination, and Uxie taught humans knowledge. Proof of this being the case is that Kadabra and Alakazam are EXTREMELY smart, and they are a psychic type. Also, Metagross was really smart too. And, Mew is a psychic-type and has all the Pokémon genes. Mewtwo is genetically modified and super strong, Bronzong can control rain, Abra can teleport, Cresselia can cause good dreams, Beheyem can control minds, Bruxish literally releases psychic power, Beldum and Metang control themselves with Magnetic Force, Slowbro can forget anything, Gardevoir can predict the future and cause a black hole, and the list goes on and on. You see where I'm going with this? Now don't get me wrong, this isn't always the case, but this is only a guess!