The Mana World Forums

I found a sound repository on a page of the Universidad Pompeu Fabra of Barcelona. It stores a lot of sounds by categories: melodies, nature, synthesizer, thunder, rain, acoustic, abstract, percussion, processed...

http://freesound.iua.upf.edu

Hope it serves for something.

Hmm from the barely understandable italian translation license it seems compatible with our purposes, I'll give it a try and browse to the sfx..