I've fallen and I can't get out!

Hint 1 of 8:

Have you gotten both scrolls?
(See the previous question and "What should I do in the monastery?".)

Hint 2 of 8:

One of those scrolls isn't yours.

Hint 3 of 8:

Return Fulk's scroll to him.

Hint 4 of 8:

Then Fulk will find a secret exit.

Hint 5 of 8:

You must have read through all of the scrolls by now.