Rappelz classes are spread across 3 races, Gaia, Deva and Asura

each race has its own specific classes and the best place to review the information on these is on the Rappelz official forum, though the strategy wikipedia site is also good.

The link below takes you to the official rappelz forum page.

http://rappelz-forum.gpotato.com/viewforum.php?f=103&sid=5c67b0d0cde5f77b3b0d6daee212fbd0

This is the wikipedia rappelz link.

http://strategywiki.org/wiki/Rappelz

Other useful sites to visit for rappelz related information are the server status site, link below and the alazarin site which has other useful info.

http://totoro.mine.nu/status.php

http://rappelz.alizarinhq.com/

hope this is useful beginning for your rappelz adventure........see you in game