What is behind the other door in the old lady's house on 7 island?
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In Ruby and Sapphire, there is this old man's house in Mossdeep City that has a similar thing. You use special e-reader cards to download and battle random trainers (only one at a time) behind that hidden door.
I think it is the same for this old lady's house. I just don't know if they have e-reader cards for this.
You need to use a cheating device to get there. It is just grassland I think.
You need a cheating device to get in there. There are some extra trainers in there.
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