How do you kill a Shedninja behind a sub?

Question

This is a pretty weird question, but let's say someone baton passes a sub to Shedninja, how do you kill it, since it'll take 1% HP each time? My theory is that it'll break each time, but I don't know.

Answer 1

You just need to use a move that isn't blocked by wonder guard (Flying/ Fire/ Rock/ Ghost/ Dark), then the substitute will break, then you'll be able to hit Shedinja.

You can also force it out of it with roar/ whirlwind.

Additionally, any weather buffeting or entry hazards will KO Shedinja on switch in.

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EDIT: so you're asking if the substitute will break after 1 super-effective attack? Yes it will. Something like Rock Blast (as suggested) will break the substitute on the first hit, then KO Shedinja on the second hit (unless it's holding a sash, in which case it will KO Shedinja on the third hit).

A substitute will take the damage, no matter how high the damage is, and will fade after one hit if the damage is high enough. While it has 1/4 of the HP of the Pokemon that made it, Shedinja's low defences mean that the substitute will break in nearly all cases.

Comments

or having a pokemon with roar and make it so your opponet gets hit with stelth rock/spikes

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That's what I already said...

And Shedinja will get damaged by rocks/ spikes even behind a substitute.

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ROCK BLAST

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Wait... Sorry, I meant if the sub would break after an SE attack, since it would only take 1% each time.sorry about the misunderstanding.

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While most everything here is correct, you are wrong in saying that the Substitute holds 25% HP of the pokemon behind it. Substitutes always have 25% HP of the pokemon that set the sub, not the pokemon behind it. So if a pokemon with 400 max HP sets a Sub and Baton Passes it to Shedinja, the Sub would have 100 HP (assuming the sub didnt take any damage before being passed), regardless of how much HP Shedinja has.

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Really? I've always determined it to be HP of the Pokemon behind the sub, but maybe that's because it's been hit by a SE move and therefore the sub is broken due to low defences. Lemme change that, thank you.