Below you will find links to all the shops that sell weapons all over Eaxia, that I know of.
Sal va'Taer Forest
Semanri
Tes'Kata Village
Again to my left at the top of the page you will notice my dragonling Amethyst guarding my navigation bar.
NOTE - Amethyst has been known to get overly excited at feeding time and sometimes bites so please do not feed her.