Question

If I Breed Ash Greninja with Ditto, will the resulting Froakie have battle bond?

Answer 1

Neither yes nor no.
> Greninja with this ability cannot breed.

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Answer 2

Sumwun is right, Battle Bond Ash-Greninja can't breed. It is in the Undiscovered egg group. Pokemon in the Undiscovered egg group cannot breed by any means necessary. Sorry :(

Source
Hope this helps :)