CalciumKid

config/access.php 'create' => AccountLevel::UNAUTH, change to: 'create' => AccountLevel::NOONE,

http://rathena.org/board/topic/53841-release-fluxcp-cms-addon/ That contains all the CMS coding you need for Flux integration.

Depends on what you want to achieve. Do you want a site that just redirects to flux cp? If so learn html. Do you want a site that contains online players, and more advanced stuff? If so learn MySQL, Php, and HTML.