The secret message from the Princess is in her Maid's room (castle, first floor left).
There is another note by the Princess in the left tower which is now disconnected from the castle.
(see related question)
Go to the fountin and click on the souler system panel and enter the code
You show her a secret message from the Princess. You find it in the Maid's room (castle first floor left).
go to the secret door
If you have the Secret Message from the Princess (from the maid's room in the castle), the mill girl will give you the password to the secret room below the fountain. (see related question)
You need the Princess's secret message from the maid's room (castle first floor left).
There is no wishing well on Astro Knights island. There are :The spaceship fountain - there is a gold coin in the water, and if you take the secret message from the castle to the mill, the girl there will give you the password to open the secret passage under the fountain.The underground lab - Mordred's secret lab is hidden under the two bales of hay on the farm, and you will need the key from the secret room under the fountain.
On the first floor of the castle, left side door. There is a secret message there, as well as a mechanical mouse. (see related question)
You do not get or use a bucket on Astro Knights Island.
There is no wishing well on Astro Knights island. There are :The spaceship fountain - there is a gold coin in the water, and if you take the secret message from the castle to the mill, the girl there will give you the password to open the secret passage under the fountain.The underground lab - Mordred's secret lab is hidden under the two bales of hay on the farm, and you will need the key from the secret room under the fountain.
There is no treasure chest on Astro Knights Island.
Go inside the castle and go to your left.The secret message is by the mirrow
None. The Maid's room (castle first floor left) has the secret message, which you take to the girl on the upper floor of the Mill.