Board Thread:Questions and Answers/@comment-50.131.153.24-20130704094102/@comment-8276741-20130704094838

There is a possibility of getting the past lead daemons in the bell, and it randomely depends on your luck. You can empty one bell and not find even one of them, and you can empty one bell and get 3 of them if your luck is good.

So if you empty one bell you are guaranteed the current lead daemon, and if you have good luck you can get the others by chance.