Is there a particular reason why Spiritomb can learn Shadow Sneak at level 1 and as an egg move?

Question

It seems pointless to me. My source is the Pokemondb page, so did Pokemaster make a mistake?

Comments

My guess is that it isn't a mistake.  Just the other day I bred for an egg move only to find out that I didn't have to because the move was learned at level 1.  I forgot which Pokemon it was (although not Spiritomb).  Many Pokemon have the same arrangement, but I haven't personally tested Spiritomb so this isn't a complete answer.

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Gamefreak's logic is a dark and scary thing, you should not mess with, question, try to change, destroy, and/or... do something else to it.
JUST DON'T TOUCH IT
but seriously, gamefreak has done some weird things over the years

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^ lol I agree.

Answer 1

Imagine this: You've recently hatched a Spiritomb.
- By default, it would have Pursuit / Shadow Sneak (default) / Spite / Curse
- If any more than two egg moves were passed down, then Pursuit and Shadow Sneak would not have been learned. The moveset would be like this:
Egg move 1 / Egg move 2 / Spite / Curse
- But if alongside the two egg moves, you had also passed down Shadow Sneak, then the moveset would be like this:
Egg move 1 / Egg move 2 / Shadow Sneak (egg move) / Curse

See the difference? Those were the two ways by which Shadow Sneak could be gotten on Spiritomb (other than Move Reminder, because he is not concerned here).
commented Aug 30, 2015 by Qwerty_Zoom

You could have just answered.
commented Aug 30, 2015 by sumwun

Comments

This explains how Spiritomb can learn this instead of why though.

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The why would be "the game designers wanted Spiritomb to be able to do this, so they listed shadow sneak as an egg move".

Answer 2

If a Pokemon learns a move by levelling up, it also becomes an egg move. Take Spiritomb for example. It learns Shadow Sneak by level up. So, if you put it in the daycare with Shadow Sneak, the offspring will also have Shadow Sneak.

Hope this helps!

Comments

But Spritomb hatches knowing shadow sneak regardless of its parents' movesets...

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Well some Pokemon get it as an egg move but some must have it on their moveset.
Take two actors for an example (A and B). Use Shadow Sneak as the skill to act. A is naturally good at acting bc A belongs to an acting family but B has to train and become good.

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but spritomb is only one species...

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Well one cannot expect all Pokemon to be EXACTLY the same

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Imagine this: You've recently hatched a Spiritomb.

- By default, it would have Pursuit / Shadow Sneak (default) / Spite / Curse

- If any more than two egg moves were passed down, then Pursuit and Shadow Sneak would not have been learned. The moveset would be like this:
Egg move 1 / Egg move 2 / Spite / Curse

- But if alongside the two egg moves, you had also passed down Shadow Sneak, then the moveset would be like this:
Egg move 1 / Egg move 2 / Shadow Sneak (egg move) / Curse

See the difference? Those were the two ways by which Shadow Sneak could be gotten on Spiritomb (other than Move Reminder, because he is not concerned here).

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You could have just answered.