Note that not every sound on here is public domain, but there are more than enough for your whole game that are probably.
Just make sure and hover over a little area on the right of the sound to determine the rights associated with the file.
This link goes to some sword sounds. http://www.freesound.org/people/qubodup/packs/12143/
Everybody forgets that sound is the all too often forgotten about other part of a Game.
+Rep