armor experience does not progress when hits are taken
Having a mix of armors ( 2 light, 2 medium, other heavy ), and fighting lots of creatures ( 15, 20 maybe... surprisingly, I did not died at level 1... ) my progress bars for armors did not progressed at all.
(RM-1205 from redmine: created on 2014-03-15 by Bérenger Morel, , closed on 2014-03-16 by scrawl .)