How do I help the dwarves?

Hint 1 of 8:

Have you found them yet?

Hint 2 of 8:

If not, keep looking.  They're behind some doors, but otherwise they're
pretty easy to find.

Hint 3 of 8:

What did the dwarf tell you was wrong?

Hint 4 of 8:

The king is dying.

Hint 5 of 8:

And the prince has been kidnapped?

Hint 6 of 8:

Who did he say took the prince?