Will my chain end if I accidentally KO all the Pokemon?

Question

I am SOS chaining for Elekid, and I accidentally KOd the one I had on low HP, but I found another Elekid in the wild immediately right after. Is the chain broken?

Comments

I've wondered about this myself actually.

Answer 1

SOS chains break as soon as either:

A) The battle ends.
You can end the battle by running away, causing the wild Pokémon to run away with a move like Whirlwind, KOing every wild Pokémon on the battlefield, or catching a Pokémon.

B) You KO the last Pokémon in a chainable species.
For example, if you're SOS chaining Carbink and a Sableye appears, and you KO the Carbink, the chain will end because Sableye cannot call for an ally. This does not apply to Pokémon in the same evolution family. For example, if Magikarp calls a Gyarados, Gyarados can keep the chain going.

In your case, the wild battle ended because you KO'd all wild Pokémon. This means that the chain ended as well.

Comments

Why Astro, why must you have such good answer that put mine to shame.

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Because I am a ninja

Answer 2

Yes, if you left the battle and had to walk through the grass to battle the elekid, the chain is broken. You have to stay in the battle to continue the chain.