You go into the castle library and walk into the non fiction section and there is a gold plate that says McM click on it and walk inside
You have to get in detension
in the detention room
on your way to the old mill, by the trap door, there's a hobo selling it
Go to the right and click on the file cabinet cuz its a secret passage way and thats where you find the bell clapper
no
Get a log
most likely rocks and a secret passage way.
I don't think there is a secret passage way on Club penguin because all the available places on Club penguin for members and non members have been discovered and are on the map.
there's a case that's magnetic, you need the magnet thing and get it out, just walk near it and then you'll drop into the secret passage.
If you go in the library in the castle you will see a book number on Mordred's library card , if you click that book you will open up a secret passage way to the dungeon. But be careful, you need the bookmark from Mordred's house before you go in the library.
get the bell clapper
look for it around the dojo.