Just turn /log on and talk to seer and get your guided meditation/unlock memories logged. Run the program and parse the log file and it tells you exactly what you are missing for elemental access (mob kills/hails/preflags).
http://home.earthlink.net/~nilesn/sitebuildercontent/sitebuilderfiles/popflagparser.exe
Nifty, thanks for the link to that! :)