The stairway to the dungeon is in the castle library (first floor, right side). To enter, you will need the Library Slip from the Mordred Museum. Get the gold coin, pay your admission, and find the Slip in a stack of books. In the castle library, go to the lower aisle, which is non-fiction. Click the shelf that says Mc-M and the stairway will open.
There is a hidden stairway to the dungeon in the castle library, and a hidden opening under the fountain.
You do not get or use a bucket on Astro Knights Island.
There is no treasure chest on Astro Knights Island.
There are no bird eggs in astro knights island.
Once you have the Library slip, you can press the scroll McM on the lower aisle in the castle library, which will open the dungeon stairway.
its on the island
How do you talk to the girl in the hay loft at astro knights island?
You click the McM place.
On every island you have to be the one to save whatever needs saving. That includes the kingdom in Astro Knights Island.
In the castle library (first floor, right) there is a shelf marked McM on the lower aisle. Press it to open the secret stairway to the dungeon.
Once you have built a new spaceship on Astro Knights Island, it will park on top of the castle whenever you leave the island.
on astro knights island