Quote Originally Posted by xandorz View Post
But when I press any ability repeatedly I get massive lag. It is not noticeable if I press a ability once and let it use the spell, just when I press the button over and over again.
I seem to recall this being related to bad macros, possibly with some macro shenanigans thrown in for good measure. Backup your WTF folder and then wipe it and see if it still happens; if it does, change the key you're pressing repeatedly to just be a pure ability rather than a macro.