The new female shown on the boxart, somewhat resembling Vake -
And also gives us insight on the Class Change feature (Credit to Einvalt on GameFAQS for the translation) -
In addition to Master Proofs, which promote a basic tier class to an upper tier class, there are Change Proofs which allow characters to switch to another basic class (there are limited options set for each character). Units can also use Change Proofs to switch between the corresponding upper tier classes once they've promoted.
Full images (look for 22nd March)
Edited by VincentASM, 24 March 2012 - 07:21 AM.