Help us. I'M NOT SURE THAT QUOTE FROM GHOSTS IN THE MACHINE WILL WORK HERE. WHATEVER.
(Help Me/Help Us wasn't the original text here)
(And, Bopp, I forgot that the Lancer Knights data set showed orbs)
(I also wasn't sure if I should go for arenas, treasure vaults, or some other kind of level... Though, now that I look at it, there's only one treasure vault and no arenas)
This is a frequently asked question. My canned answer, including links to data sets and other advice, is here:
http://wiki.spiralknights.com/User:Jdavis/FAQs#How_do_I_get_Orbs_of_Alch...
The fact that you've responded to a current thread about finding Advanced Orbs leads me to question your sincerity.