there is no such thing as Maguindanao Pearl
Chat with our AI personalities
to get slugma in your pearl you need to get the nattional dex and then go to stark moountain and go in the inside and you could find wild slugmas
you do not find dialga in Pokemon pearl
if you migrated he could most likely be found in the grass
in the pokecave you have to find the rare pearl
In the Safari Zone after obtaining the National Dex. Or you could trade it from Pearl/Diamond/Platinum.