Mainland Cave is a cave in the Core Region. It is connected to Douba Road. And there's a station inside.
After entering, Head northern direction, go up and left. When entering the door you will be stopped by an Unknown Trainer. She claims that you are under Darugis' spell and battle you. After Beating her, enter the door and get the package for prof.Ivan. After that go outside and leave the cave.
|Prof.Ivan's Package||Talk to the person inside the Station|
|Girl Trainer||Level 12||None|